Thailand +66
To call Thailand from abroad, dial your exit code (or +), then 66, then the local number without its leading 0. In full: +66 81 234 5678.
The country calling code for Thailand is +66. A number starting +66 or 0066 is a call to or from Thailand. From abroad: +66 81 234 5678.
To call Thailand from abroad, dial your exit code (or +), then 66, then the local number without its leading 0. The +66 code identifies the country; the following digits identify the line (landline or mobile).
How to call Thailand from abroad
011 66 81 234 567800 66 81 234 56780011 66 81 234 5678+66 81 234 567881 234 5678 is a real-format Thailand mobile number (example from the ITU-T numbering plan): replace it with the number you were given, without its leading 0.
Thailand area codes
In Thailand, landlines usually include an area code after +66 (without its leading 0). Mobiles have no area code.
Number format
02 123 4567from abroad+66 2 123 4567081 234 5678from abroad+66 81 234 5678Landline numbers in Thailand have 8 digits after the country code; mobile numbers have 9 digits. The national prefix 0 is only dialled inside the country — drop it after +66.
Calling abroad from Thailand
To call another country from Thailand, dial the exit code 00 + carrier code (or + on a mobile), then the country code, then the number. From Thailand to the United States, for example: + 1 201 555 0123.
A Thailand number in international format is written +66 …. The + stands for the exit prefix (00 in much of the world, 011 in North America). Switching to international format, drop the leading 0.
Cheapest ways to call Thailand
With internet on both ends, apps like WhatsApp, Signal or FaceTime call Thailand for free. To reach a number without an app, VoIP services are usually cheaper than your operator’s international rate.
Frequently asked questions
What country has the code +66?
Thailand has the country calling code +66.
How do I call Thailand from the United States?
Dial 011, then 66, then the local number without its leading 0 — for example 011 81 234 5678.
What does +66 mean?
It is the international dialing code for Thailand. The + stands for your exit code (00 in much of the world, 011 in North America).
Is +66 mobile or landline?
The +66 code identifies the country, not the line type; Thailand landlines and mobiles share it.
A country code covers a whole nation; the full number depends on the city and operator.
Mobile networks in Thailand
8 mobile network operators run their own networks in Thailand. The largest is True, with about 48.8 million subscribers (Q1/2025). Pick the one with the best coverage where you will spend most of your time.
Includes Truemove-H and dtac(with a digital sub-brand FINN Mobile
Owned by Major shareholders: Telenor (28.60%) Thai NVDR (11.58%) Charoen Pokphand (10.37%) China Mobile (7.81%)
Host operator TOT
Owned by Mobile 8 Telco Sdn Bhd.
with a digital sub-brand GOMO
Owned by Major shareholders: Intouch Holdings (40.44%) Singtel (19.10%) Thai NVDR (7.19%)
Host operator TOT
Owned by Loxley Public Company Limited.
Owned by National Telecom
Host operator CAT
Owned by Data CDMA Communication Co., Ltd.
formerly TOT Mobile
Owned by TOT Public Company Limited Migrating to my by nt in August 2025
Host operator CAT & TOT
Owned by The WhiteSpace Co.Ltd.
- 4G/5G frequency bands used in Thailand: 5G 2500, 5G 700, LTE 1800, LTE 2100, LTE 700, LTE 900. Most recent smartphones cover them; older or regional models may miss some.
- Moving there? Mobile number portability has existed since 2010-12-15, a transfer takes about 2 day(s) and costs free.
Operators, subscriber counts, network codes and switch-off dates: Wikipedia (lists of mobile network operators, mobile network codes, 2G/3G phase-out, mobile number portability), licensed CC BY-SA 4.0. Figures come from each operator or regulator at the date shown.
Getting a SIM card in Thailand
What visitors and new residents need to know before buying a local SIM or eSIM in Thailand, with a source for each point.
Buying a SIM as a visitor
Mandatory: tourist SIMs must be registered with a valid passport under NBTC regulations, maximum 3 SIMs per person per brand (True/dtac). After expiry, re-identification with the passport is needed at a True dtac shop.
Source: true.th
Where to buy it
Official operator counters at airports (Suvarnabhumi, Don Mueang, Phuket, Chiang Mai) and operator shops (e.g. True dtac shops).
Source: true.th
Scam calls and texts
Report online fraud and scams to the Royal Thai Police Technology Crime Suppression Center online platform (thaipoliceonline.go.th); tourists can call the Tourist Police on 1155.
Source: thaipoliceonline.go.th
Emergency numbers
Police 191, Medical emergency 1669, Fire 199, Tourist Police 1155 (24h, multilingual).
Source: en.wikipedia.org
Checked on 28 September 2026 against the sources linked on each card (regulators, government portals and operators first). SIM and ID rules change often: confirm with the operator before you travel.
Mobile plans in Thailand: prices on 28 September 2026
Offers taken from the operators' own websites. Prices change often and promotions end: open the offer before you buy.
For visitors
- Unlimited data · 10 days
- Needs: Valid passport registration (NBTC rules; max 3 SIMs per person per brand)
- Buy: True and dtac service centers nationwide, 24/7 airport locations, True/dtac Online Store (SIM or eSIM)
- Unlimited data · 8 days
- Unlimited calls to all networks in Thailand; unlimited Wi-Fi
- Needs: Valid passport registration (NBTC rules; max 3 SIMs per person per brand)
- Buy: True and dtac service centers nationwide, 24/7 airport locations, True/dtac Online Store (SIM or eSIM)
- Unlimited data · 8 days
- Unlimited calls to all networks in Thailand; unlimited Wi-Fi
- Needs: Valid passport registration (NBTC rules; max 3 SIMs per person per brand)
- Buy: True and dtac service centers nationwide, 24/7 airport locations, True/dtac Online Store (SIM or eSIM)
- Unlimited data · 15 days
- Unlimited calls to all networks in Thailand; unlimited Wi-Fi
- Needs: Valid passport registration (NBTC rules; max 3 SIMs per person per brand)
- Buy: True and dtac service centers nationwide, 24/7 airport locations, True/dtac Online Store (SIM or eSIM)
- Unlimited data · 30 days
- Unlimited calls to all networks in Thailand; unlimited Wi-Fi
- Needs: Valid passport registration (NBTC rules; max 3 SIMs per person per brand)
- Buy: True and dtac service centers nationwide, 24/7 airport locations, True/dtac Online Store (SIM or eSIM)
For residents
- 100 GB data · 30 days
- Data only
- Needs: True prepaid number
- Buy: True app / package.true.th (prepaid add-on)
- 20 GB data
- 100 mins all networks; unlimited TrueWiFi
- Needs: Postpaid contract
- Buy: True Store online, True shops
Prices as displayed on each operator's website on 28 September 2026. We are not paid by the operators listed.
Staying connected in Thailand
With 161 mobile subscriptions per 100 people, almost everyone in Thailand has a mobile — a WhatsApp, Signal or FaceTime call is usually the easiest way in. Internet use is high (91 %), so app-to-app calls over Wi-Fi are a safe bet.
Source: World Bank / ITU World Telecommunication indicators (IT.CEL.SETS.P2, IT.NET.USER.ZS, IT.MLT.MAIN.P2), latest available year.
Free and premium numbers in Thailand
+66 1800 123 456Free from inside Thailand. From abroad these numbers are often unreachable or charged at the international rate.
+66 1900 123 456Surcharged services — ranges starting with 1900. Do not call back an unknown missed call from such a range: the cost is far above a normal call.
Number ranges: ITU-T national numbering plan for Thailand via Google libphonenumber.
Laos +856
Myanmar +95
Cambodia +855
Malaysia +60