eSIM Thailand
Best eSIM for Phuket: 8 Providers Ranked
Feb
Written by Peter Moore – eSIM Content Writer
Our Verdict: eSIM4
eSIM4 is our top pick for Phuket. It runs on AIS, Thailand’s largest network, which covers the whole island from Patong and Kata through Phuket Town and out to the airport. Twelve plans run from 1 GB for 7 days at $2.98 up to unlimited data for 30 days at $47.98, with 10 GB for 30 days at $9.98 in the middle for anyone leaning on maps and Grab all week. Install before you fly and it connects on landing at Phuket International. Prices here were checked against every provider in this guide in August 2026.
Why We Chose eSIM4
- Calls and texts, not just data: Yabb, which eSIM4 owns, calls any landline or mobile number worldwide over your data plan and texts more than 200 countries. Most travel eSIMs are data-only and have no answer to this.
- Runs on AIS: Thailand’s largest network, covering Patong, Kata, Phuket Town and the airport.
- Buy now, activate when you land: Purchase and activation are separate steps, so a plan bought today can sit unused until your trip starts.
- No ID upload: No identity documents and no personal details required to buy.
- 12 plans, from 1 GB for 7 days at $2.98: Enough range to match a short stop or a full month without paying for data you will not use.
- 24/7 support: Real people on live chat and email rather than a help-centre article.
Quick Comparison: Best eSIMs for Thailand
We compared the top eSIM services offering thailand esims to help you find the perfect match for your Southeast asia vacation. Avoid expensive roaming charges with our top picks for a reliable eSIM and the best eSIMs for Thailand available. All costs shown are for paid plans only. Skip klook and buy the best option direct.
| Rank | Company | Rating | Starting Cost | Best For |
|---|---|---|---|---|
| 1 | ⭐ eSIM4 | 4.9/5 | $7.20 $2.98 | Best Overall Value |
| 2 | Saily | 4.7/5 | $2.99 | Light Data Users |
| 3 | Nomad | 4.6/5 | $5.00 | Unlimited Data Options |
| 4 | Jetpac | 4.5/5 | $4.00 | Short Trips |
| 5 | GigSky | 4.4/5 | $4.99 | Long-term Stays |
| 6 | aloSIM | 4.3/5 | $3.50 | Flexible Durations |
| 7 | Airalo | 4.2/5 | $4.00 | Global Brand Recognition |
| 8 | Roamless | 4.1/5 | $2.95 | Budget Travelers |
Top eSIM Providers for Thailand: Reviews
We reviewed the leading thailand esims available to help you decide. Say goodbye to roaming fees and expensive airport SIM cards. Here are the detailed results of our comprehensive guide.
eSIM4
Best Overall Value
eSIM4 partners with True and AIS to deliver connectivity across Thailand. Trusted by 100,000+ global travelers, their platform offers instant delivery, straightforward activation, and up to 60% savings compared to standard roaming rates. With no hidden fees and no SIM swapping required, eSIM4 provides a hassle-free experience for Thailand travelers.
Key Features: eSIM auto connects on arrival, 24/7 support, optional platform to monitor data usage and recharge, make/receive calls and send/receive SMS without roaming charges.
Coverage
Full coverage across Thailand including the capital, koh samui, Phuket, Pattaya, and all major islands. The esim’s activation is automatic when you arrive in Thailand.
Data Plans
Flexible plans from 1GB to unlimited data, with durations ranging from 3 to 30 days. All plans include hotspot functionality. Special offers currently available with significant discounts. Prepay for your data and manage your esims easily through the optional platform.
Activation Process
Your Thailand eSIM comes by email after you pay on esim4.com. iPhones add it under Settings > Mobile Data > Add eSIM, from the QR code or the details typed in. If your iPhone runs iOS 17.4 or later, the Direct Installation link saves you those steps. Install before your Phuket flight, and turn on data roaming for this line alone after landing.
Cost
Starting at just $2.98 for 1GB (originally $7.20), eSIM4 offers exceptional value with savings up to 60%. Unlimited plans start at $7.98 for 3 days, making them highly competitive for heavy data users.
Pricing Plans
| Data | Duration | Cost | Savings |
|---|---|---|---|
| 1 GB | 7 Days | $7.20 $2.98 | 59% off |
| 2 GB | 15 Days | $9.90 $3.98 | 60% off |
| 3 GB | 30 Days | $10.80 $4.98 | 54% off |
| 5 GB | 30 Days | $14.40 $6.98 | 52% off |
| 10 GB | 30 Days | $19.80 $9.98 | 50% off |
| 20 GB | 30 Days | $32.40 $16.98 | 48% off |
| Unlimited | 3 Days | $17.10 $7.98 | 53% off |
| Unlimited | 5 Days | $27.00 $13.98 | 48% off |
| Unlimited | 7 Days | $37.80 $19.98 | 47% off |
| Unlimited | 10 Days | $55.80 $29.98 | 46% off |
| Unlimited | 15 Days | $70.20 $37.98 | 46% off |
| Unlimited | 30 Days | $88.20 $47.98 | 46% off |
Pros & Cons
Pros
- No hidden fees and up to 60% savings on all plans
- Auto-connects on arrival – no manual activation needed
- Instant QR code delivery by email
- 24/7 support with optional calling/SMS platform
- No SIM swapping required
- Trusted by 100,000+ global travelers
Cons
- Limited to data-only plans (no local Thai number included)
Saily
Light Data Specialists
Saily focuses on simplicity and affordability for short-term travelers. Their credit-back rewards program offers 3% back on every purchase, making them attractive for frequent travelers to Southeast Asia.
Coverage
Saily does not publish its Thailand network.
Data Plans
Straightforward offerings from 1GB to 20GB, all valid for 30 days except the 1GB plan (7 days). Unlimited options start at $14.99 for 5 days, and their 20GB “Best Choice” plan suits most travelers. The 5 gb plan offers a good middle ground.
Activation Process
Saily advises downloading its eSIM before you leave home. App buyers do this with the Install eSIM button. Buyers on saily.com get a QR code by email to scan. Landing in Thailand switches the plan on automatically. In Phuket, buy more data in the app, or let Auto top-up rebuy the plan.
Cost
Highly competitive for low-data users, starting at $2.99 for 1GB. The 20GB plan at $19.99 suits moderate users who don’t need unlimited data.
Pricing Plans
| Data | Duration | Cost |
|---|---|---|
| 1 GB | 7 Days | $2.99 |
| 3 GB | 30 Days | $5.99 |
| 5 GB | 30 Days | $7.99 |
| 10 GB | 30 Days | $10.99 |
| 20 GB | 30 Days | $19.99 |
Pros & Cons
Pros
- 3% credit back on every purchase for future use
- Very competitive pricing on 3GB and 5GB plans
- Simple, no-frills purchasing process
Cons
- Unlimited from $14.99 for 5 days
- Limited to 7 days validity on 1GB plan
- Customer support not available 24/7
Nomad
Unlimited Data Focus
Nomad specializes in unlimited data plans for heavy users and digital nomads. Their platform-based management system makes tracking usage easy, and they frequently run sales on high-volume plans.
Coverage
Utilizes AIS, DTAC and True carriers.
Data Plans
One unlimited plan, valid for 10 days. Fixed data options include a unique 50 gb/10 day plan perfect for intensive short trips. Fair usage policy applies on unlimited plans after 50GB.
Activation Process
Wait until you are in Thailand before installing Nomad. Nomad says Thailand plans activate on installation, so a home install would use up days early. You can buy before the trip, with or without a Nomad account. In Phuket, scan the emailed QR code, set Nomad for mobile data with roaming on, then restart.
Cost
The unlimited plan costs $15 for 10 days, offering good value for heavy streamers. Fixed data plans start at $5 for 1GB.
Pricing Plans
| Data | Duration | Cost |
|---|---|---|
| 1 GB | 7 Days | $5.00 |
| 10 GB | 30 Days | $10.00 |
| 50 GB | 10 Days | $15.00 |
| Unlimited | 10 Days | $15.00 |
Pros & Cons
Pros
- Unlimited 10-day plan at $15 for heavy users
- Three-carrier access (AIS/DTAC/True)
- Frequent sales and promotional pricing
Cons
- Requires platform installation which can malfunction
- Unlimited plans throttle after 50GB usage
- More expensive entry point for basic plans
Jetpac
Short Stay Specialist
Jetpac targets short-term visitors with compact plans and aggressive promotional discounts. Their 4-day minimum validity on 1GB plans is perfect for weekend getaways to the capital.
Coverage
Runs on AIS infrastructure. Coverage extends to all major tourist areas.
Data Plans
Unique plan structure with shorter minimum durations (4 days for 1GB). Heavy promotional discounting on larger 30GB and 40GB plans. Unlimited options available from 3 to 30 days.
Activation Process
The Jetpac app installs the eSIM, as does the emailed QR code. Install before departure, keeping the eSIM off for the flight. In Phuket, power the line up, enable data roaming and assign mobile data to Jetpac. Register your flight, and SmartDelay gives a free lounge pass for delays of 1 hour or more.
Cost
Standard pricing is mid-range, but promotional discounts up to 46% off make larger plans attractive. The 1GB/4-day plan costs $7, and 1-day plans start at $3.50 for 3GB.
Pricing Plans
| Data | Duration | Cost |
|---|---|---|
| 1 GB | 4 Days | $7.00 |
| 3 GB | 7 Days | $5.00 |
| 5 GB | 30 Days | $7.00 |
| 10 GB | 30 Days | $11.50 |
| 15 GB | 30 Days | $20.00 |
| 20 GB | 30 Days | $28.00 |
| 30 GB | 30 Days | $40.00 |
| 40 GB | 30 Days | $56.00 |
| Unlimited | 7 Days | $30.00 |
| Unlimited | 30 Days | $150.00 |
Pros & Cons
Pros
- Plans from 1 day for brief visits
- Heavy promotional discounts on larger plans
- No application required for activation
Cons
- Limited customer support channels (email only)
- Regular prices (non-promotional) are expensive
- 20GB plan pricing ($28) is higher than competitors
GigSky
Extended Stay Expert
GigSky caters to long-term travelers and business users with extended validity periods up to 180 days. Their 50GB, 180-day plan suits extended Thai vacations.
Coverage
GigSky does not publish its Thailand network.
Data Plans
Flexible durations from 1 day to 180 days. Specializes in long-validity plans (up to 50GB for 180 days) for digital nomads staying long-term.
Activation Process
GigSky recommends installing within a day of flying, through Install on this device in its app. You have up to a year after purchase to install, and most plans only start at the first Thai connection. Mobile data should run through GigSky in Phuket, with data roaming enabled for that line.
Cost
Entry cost of $2.99 for 1GB is competitive, but real value lies in 90-day and 180-day plans. The 50GB/180-day plan at $26.39 suits long-term expats perfectly.
Pricing Plans
| Data | Duration | Cost |
|---|---|---|
| 1 GB | 7 Days | $2.99 |
| 3 GB | 15 Days | $5.49 |
| 5 GB | 30 Days | $7.29 |
| 10 GB | 30 Days | $9.79 |
| 50 GB | 180 Days | $26.39 |
Pros & Cons
Pros
- Unique 180-day validity options for long-term stays
- 24/7 professional customer support
- Account dashboard for managing multiple devices
Cons
- Unlimited from $3.49 for 1 day
- Requires account creation and application download
aloSIM
Flexible Duration Focus
aloSIM emphasizes plan flexibility with varied durations from 3 to 30 days. Their 2GB/15-day plan fills a niche for medium-length stays.
Coverage
Uses the AIS carrier.
Data Plans
Mid-range data offerings with emphasis on 30-day validity. The 20GB “Best Value” plan at $19.50 competes well with Saily. A 2GB option for 15 days suits two-week vacations perfectly.
Activation Process
Install aloSIM from My eSIMs in its iOS or Android app, days or even weeks before flying. Data waits until the eSIM reaches a supported network in Thailand. Provided the eSIM is on, iPhones running iOS 16.4 or later go online automatically at the destination. A top-up package starts once your current package expires.
Cost
Competitive mid-tier pricing. $3.50 entry point is fair, though 10GB at $16 is pricier than competitors. The 20GB plan offers the best value proposition in their lineup.
Pricing Plans
| Data | Duration | Cost |
|---|---|---|
| 1 GB | 7 Days | $3.50 |
| 2 GB | 15 Days | $5.00 |
| 3 GB | 30 Days | $6.00 |
| 5 GB | 30 Days | $8.00 |
| 10 GB | 30 Days | $16.00 |
| 20 GB | 30 Days | $19.50 |
Pros & Cons
Pros
- 15-day duration option for two-week stays
- No application required for basic QR activation
- Competitive 20GB pricing at $19.50
Cons
- 10GB plan is overpriced compared to competitors
- Single network (AIS)
- Limited support hours (not 24/7)
Airalo
Global Brand Recognition
Airalo is one of the most recognized names in travel eSIMs, offering Thailand-specific plans through their regional package. Their extensive global presence makes them familiar to frequent travelers.
Coverage
Operates on True and AIS carriers.
Data Plans
Extensive variety with multiple duration tiers (3, 7, 15, and 30 days). 3-day plans for ultra-short visits. 50GB plan available for heavy users. Unlimited options start at $9.50 for 3 days.
Activation Process
Open your Airalo package’s Additional Information to read its Activation Policy. It shows whether days start at install or on your first Thai connection. Airalo attaches setup instructions, as a PDF, to its delivery email. After reaching Phuket, switch on the eSIM line and use it for data, with Allow Cellular Data Switching off.
Cost
Moderate pricing across the board. $4 entry for 1GB/3 days is reasonable, but 30-day plans are pricier than specialized competitors. You’re paying partly for brand recognition.
Pricing Plans
| Data | Duration | Cost |
|---|---|---|
| 1 GB | 3 Days | $4.00 |
| 3 GB | 3 Days | $5.50 |
| 3 GB | 7 Days | $6.00 |
| 5 GB | 7 Days | $7.00 |
| 10 GB | 7 Days | $10.00 |
| 5 GB | 15 Days | $7.50 |
| 10 GB | 15 Days | $10.50 |
| 20 GB | 15 Days | $17.50 |
| 5 GB | 30 Days | $8.00 |
| 10 GB | 30 Days | $11.00 |
| 20 GB | 30 Days | $18.00 |
| 50 GB | 30 Days | $27.50 |
Pros & Cons
Pros
- 3-day plan option for very short trips
- Loyalty program (Airmoney) rewards repeat customers
- Well-established brand
Cons
- More expensive than competitors for equivalent data
- Requires platform installation and account creation
- Unlimited from $9.50 for 3 days
Roamless
Budget Flexibility
Roamless offers Thailand-specific plans with flexible 30-day validity across all capped tiers. Their low entry cost of $2.95 makes them attractive to budget backpackers watching every baht, offering cheaper rates than airport kiosks.
Coverage
Access to the AIS, True and Dtac carriers.
Data Plans
Simple structure with all capped plans valid 30 days. Range from 1GB to 50GB, plus unlimited options from $3.84 for 1 day. The 3GB “Popular” plan hits a sweet spot for week-long stays.
Activation Process
Roamless needs just one eSIM for every trip, installed once from its mobile app. Do that at home, then buy your Thailand plan right away. Nothing is counted against the plan until you use data in Thailand. Once in Phuket, route mobile data through Roamless and allow data roaming.
Cost
Highly competitive entry cost at $2.95 for 1GB. The 20GB plan costs $17.95.
Pricing Plans
| Data | Duration | Cost |
|---|---|---|
| 1 GB | 30 Days | $2.95 |
| 3 GB | 30 Days | $5.95 |
| 5 GB | 30 Days | $7.95 |
| 10 GB | 30 Days | $10.95 |
| 20 GB | 30 Days | $17.95 |
Pros & Cons
Pros
- Lowest entry cost on this list at $2.95
- All capped plans include full 30-day validity
- AIS, True and Dtac carriers at budget rates
Cons
- Unlimited from $3.84 for 1 day
- Limited customer support (email only, slow responses)
- No loyalty program or referral bonuses
Before You Leave To Phuket: What You Need To Know
The pricing comparison above tells you which eSIM to buy. This part tells you how to actually use it once you land on the island. And the things first-time visitors to Phuket consistently get wrong.
Phuket is Thailand’s largest island, connected to the mainland by bridge, with its own international airport (HKT). Here is what your data plan needs to handle once you arrive.
Mobile Networks and Coverage in Phuket
Thailand has three big mobile operators, and all of them cover Phuket well. AIS is the largest network provider and the one most travel eSIMs roam on, including eSIM4. TrueMove H and dtac are the other two, and both run strong 4G and 5G across the island. You get fast, reliable data in Patong, Kata, Karon, Phuket Town, and right through Phuket Airport arrivals.
An eSIM connects to whichever supported carrier your provider has partnered with. eSIM4 uses AIS, which gives the most consistent coverage island-wide, including the quieter beaches in the south and the boat piers on the east coast. Speed sits comfortably in the 4G to 5G range in the main tourist zones, so video calls, maps, and ride apps all run without stalling.
Coverage does thin out a little on remote hilltops and on longtail boat rides between islands, but for everywhere you will realistically spend time, the mobile signal is solid. This is one reason an eSIM beats a physical sim card bought at a random shop. You know which network you are on before you fly.
Getting Around Phuket
Here is the thing nobody tells you. Phuket has almost no public transport. There is no metro and no proper bus network between the beaches. What exists are songthaews, the blue passenger trucks that run fixed routes mostly to and from Phuket Town, plus tuk-tuks that charge tourist prices and do not use meters.
The practical answer for most visitors is a ride-hailing app. Grab and Bolt both work across Phuket, show the fare upfront, and let you pay by card in the app. This is exactly where your data earns its keep. You open the app, set the pin, and a driver comes to you. Many people also rent a scooter or a small car to reach the further beaches and viewpoints, though traffic on the main roads can be heavy.
Phuket International Airport (code HKT) sits at the north end of the island. It is roughly 45 minutes to the main west-coast beaches like Patong, Kata, and Karon, and a similar run down to Phuket Town. Sort your Grab or Bolt the moment you land, which means having your eSIM live before you reach the taxi rank.
Money: How Payments Work in Phuket
The currency is the Thai baht (THB). Cash is still king at street markets, beach vendors, songthaews, and small food stalls, so always carry some notes. Hotels, malls, bigger restaurants, and tour desks take cards without a problem, and contactless is common in the touristy areas.
ATMs are everywhere, but Thai ATMs charge a fixed fee of around 220 baht per foreign-card withdrawal on top of your own bank’s fees, so take out larger amounts less often rather than small amounts repeatedly. When a machine or card terminal offers to charge you in your home currency, decline it and pay in baht to dodge a poor exchange rate.
Booking boat tours, transfers, and activities is often cheaper online through platforms like Klook than at a beach counter, and many sellers will confirm over LINE. That all needs a working internet connection, which is another reason to land with data already running.
How Much Data You Actually Need
Most travelers wildly underestimate this. Maps, Grab, Bolt, LINE, photos to the cloud, and the odd video call all add up across a beach day. Here is a quick gigabyte guide for a Phuket trip.
- Light user (maps, chat, a little browsing): around 500 MB a day, so a 5 gb plan covers a full week comfortably.
- Average user (maps, ride apps, social, photos): roughly 1 GB a day. A 10GB plan suits most one to two week holidays.
- Heavy user (hotspot, video calls, streaming): 2 GB or more a day. Go for a 20GB plan or an unlimited data plan and relax.
If you run low, you can top-up online in minutes rather than hunting for a shop. Reserve heavy streaming and big photo backups for hotel Wi-Fi to make your mobile data last.
How Do I Know If My Phone Is Compatible?
Most modern handsets released in the last few years support eSIM technology. This includes iPhone XR and newer, Samsung Galaxy S20 and newer, and Google Pixel 3 and newer. However, if you have an older or incompatible device, you may need a physical SIM.
To be sure, check your device settings for an “Add eSIM” or “Add Cellular Plan” option, or consult our detailed compatibility guide below. Ensure your esim’s profile is properly installed.
Check Compatibility List →Can I Make Phone Calls with My eSIM?
Most travel eSIMs for Thailand are data-only. You can still use standard VoIP applications like apps like whatsapp, FaceTime, or Skype to contact friends and family, provided they have the same application and a strong internet connection.
A Smarter Way to Call with Yabb
While standard applications are great for chatting with friends, they often fail when you need to call a hotel, book a restaurant in the capital, or contact a tour operator on a landline. This can be a bit more expensive than using data-only services. Yabb solves this by allowing you to make calls easily to any mobile or landline number worldwide using your eSIM data. It works just like a regular telephone call without the recipient needing an application, and it avoids the massive roaming fees charged by your home carrier.
- Standard Apps: Use apps like whatsapp for free app-to-app calls in Thailand.
- Yabb Advantage: Call real telephone numbers (hotels/restaurants) that don’t have applications.
- Zero Roaming: Avoid expensive per-minute voice charges from your home operator.
Can I Send Text Messages with My eSIM?
Need to send a quick text to a friend or confirm a booking? Yabb allows you to send and receive global SMS messages using your eSIM data.
Global Messaging
Unlike apps that require both parties to be online, Yabb lets you send real SMS texts to any mobile handset, ensuring your message gets through.
Key Features
- Pay As You Go: Purchase credits only when needed.
- Two-Way: Receive replies directly within the platform.
- Global Reach: Works across Thailand and worldwide.
How to Activate an eSIM in Phuket
Getting online in Phuket is straightforward. Installing and activating your new eSIM is easy if you follow these steps.
- Buy Online: Buy the plan from eSIM4 before your flight.
- Scan QR Code: You’ll receive a QR code via email. Go to settings > Cellular > Add eSIM and scan it manually if needed. This step can be a bit confusing at first.
- Connect: Once you arrive at your destination, such as phuket airport, turn on the eSIM line. Go to your cellular settings and enable “Data Roaming”. Your sim activated automatically will connect to the local carrier.
How We Ranked These eSIM Providers
While many reviews rely on simple speed tests that only reflect a single moment in time, our approach is built on rigorous industry analysis. Our team of telecommunications experts audits the technical specifications that average users might miss but definitely feel in real-world performance. We look under the hood to see how the connection is delivered, not just if it connects. We also check which supported carrier each operator uses.
Our Technical Evaluation Criteria
- Tier 1 vs. Tier 2 Carrier Access: We analyze the backend agreements to see if the eSIM connects to premium Tier 1 carriers (like AIS) with priority access, or if it is relegated to a congested Tier 2 roaming partner. This determines if your data slows down in crowded areas.
- Latency & Routing Stats: Speed isn’t everything; responsiveness is key. We evaluate the data routing paths (latency) to ensure your traffic isn’t being routed halfway around the world before reaching the internet, which causes lag in video calls and maps.
- Carrier Aggregation Support: We check if the eSIM profile supports carrier aggregation – a technology that allows your handset to connect to multiple frequency bands simultaneously. This technical feature, often missing in budget SIMs, is crucial for maintaining high performance in dense urban environments.
- Fair Usage Policy (FUP) Analysis: We scrutinize the fine print of unlimited data plans to identify hidden throttling thresholds, ensuring our top picks offer genuine high-speed data that meets the demands of modern travel.
Frequently Asked Questions
Which eSIM is best for Thailand?
eSIM4 is our top recommendation for Thailand. It offers the best combination of pricing, reliable coverage, and responsive customer service with savings up to 60% off standard rates.
Which eSIM is best in Phuket?
eSIM4 is the best eSIM in Phuket. It runs on the AIS network, which gives strong 4G and 5G coverage right across the island, from Patong and Kata to Phuket Town and the airport. It auto connects when you land, with plans from $2.98.
Is Airalo good for Phuket?
Airalo works in Phuket and is a reliable, well-known option that runs on TrueMove H. Coverage in the main tourist areas is good, though it tends to cost a bit more expensive than eSIM4 for the same data, and it has no unlimited plans. For most travelers eSIM4 is the better value.
Is it worth getting an eSIM for Thailand?
Yes. An eSIM is cheaper than airport roaming and far less hassle than a physical sim card. You install it before you fly, it activates when you land, and you avoid queueing at a kiosk. For a trip to Phuket or anywhere in Asia, it is the easiest way to stay connected.
Can tourists buy an eSIM in Thailand?
Yes. Tourists can buy and use an eSIM in Thailand with no registration hassle. You purchase it online before your trip, scan the QR code, and the digital sim card is ready to go. There is no need to show a passport at a counter the way a local physical SIM sometimes requires.
Do I need a physical SIM card in Thailand?
No. If your handset supports eSIM, a digital plan is cheaper and more convenient. You avoid the hassle of finding a store and swapping tiny physical sim cards at phuket airport.
Can I keep my WhatsApp number?
Yes. Your WhatsApp will continue to work with your original number. It simply uses the data in Thailand from your eSIM to send messages.
Does eSIM4 work in Phuket?
Yes. Because eSIM4 uses the AIS carrier, which has wide coverage, it works excellently in Phuket and all other island destinations. The eSIM auto connects on arrival.
How fast is the internet speed?
In major cities like the capital and Chiang Mai, you can expect fast 4G/5G performance up to 150 Mbps. In more rural areas with limited coverage, the cellular service typically switches to a stable 4G signal.
Can I get a local phone number?
Most travel eSIMs are data-only and do not include a local phone number. However, eSIM4 offers an optional platform to make and receive calls without roaming charges, or you can use applications like Yabb or WhatsApp to communicate.
About the author: Peter Moore
eSIM Content Writer at eSIM4
Peter Moore has spent more than seven years in telecommunications marketing, working across mobile apps, SMS services, international calling, and eSIM technology. He now writes about eSIMs and travel connectivity full-time, sharing what he’s learned to help travellers cut through provider marketing and pick what actually works.
Related Guides
Heading to other parts of Thailand or Asia? These guides cover the same providers from a different angle.
- Best eSIM for Bangkok. Our other major Thai city guide, covering the capital, Don Mueang and Suvarnabhumi airports, and getting around the BTS and MRT.
- Best eSIM for Thailand. The country-wide guide if your trip runs beyond Phuket to Bangkok, Chiang Mai, Krabi, or Koh Samui.
- Best eSIM for Asia. A multi-country eSIM if you are continuing on to other countries across Asia after Thailand.
