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Country code

Thailand: +66

Thailand uses country code +66. From the United States, dial 011 66 81 234 5678. A number is written +66 81 234 5678.

Country code +66THTrunk prefix 0

How to call Thailand

The table uses the example number below. Replace it with the number you are calling. Drop the 0 at the start of the national number when you dial from abroad.

Calling fromExit codeDial
Any mobile phoneNone+66 81 234 5678
United States011011 66 81 234 5678
Canada011011 66 81 234 5678
United Kingdom0000 66 81 234 5678
Australia00110011 66 81 234 5678
Germany0000 66 81 234 5678
France0000 66 81 234 5678
India0000 66 81 234 5678
Japan010010 66 81 234 5678
Mexico0000 66 81 234 5678
South Africa0000 66 81 234 5678

How a Thailand number is built

Digit counts are the national number only, after the country code and without the 0 trunk prefix.

LineDigitsPattern
Mobile9 digits(?:(?:14|[89]\d)\d\d|6(?:[1-6]\d\d|7(?:1[0-8]|2[4-7]|3[1-6])))\d{5}
Landline8 digits(?:1[0689]|2\d|3[2-9]|4[2-5]|5[2-6]|7[3-7])\d{6}
Toll free10 or 13 digits(?:001800\d|1800)\d{6}
Premium rate10 digits1900\d{6}
Example, national form
081 234 5678
Example, international form
+66 81 234 5678

Validate a Thailand number

Paste a number and the tool checks it against the numbering plan. It returns the standard formats and the line type the plan assigns.

Type the number the way it is written in Thailand, or start with + and the country code.

Area codes and places in Thailand

The start of a number shows the place its range was first assigned to. 27 ranges are listed in the source.

Starts withPlace
+66 10Bangkok/Nonthaburi/Pathum Thani/Samut Prakan
+66 16Bangkok/Nonthaburi/Pathum Thani/Samut Prakan
+66 18Bangkok/Nonthaburi/Pathum Thani/Samut Prakan
+66 19Bangkok/Nonthaburi/Pathum Thani/Samut Prakan
+66 2Bangkok/Nonthaburi/Pathum Thani/Samut Prakan
+66 32Phetchaburi/Prachuap Khiri Khan/Ratchaburi
+66 33Chachoengsao/Chon Buri/Rayong
+66 34Kanchanaburi/Nakhon Pathom/Samut Sakhon/Samut Songkhram
+66 35Ang Thong/Phra Nakhon Si Ayutthaya/Suphan Buri
+66 36Lop Buri/Saraburi/Sing Buri
+66 37Nakhon Nayok/Prachin Buri/Sa Kaeo
+66 38Chachoengsao/Chon Buri/Rayong
Show the other 15 rows
Starts withPlace
+66 39Chanthaburi/Trat
+66 42Loei/Mukdahan/Nakhon Phanom/Nong Khai/Sakon Nakhon/Udon Thani
+66 43Kalasin/Khon Kaen/Maha Sarakham/Roi Et
+66 44Buri Ram/Chaiyaphum/Nakhon Ratchasima/Surin
+66 45Amnat Charoen/Si Sa Ket/Ubon Ratchathani/Yasothon
+66 52Chiang Mai/Chiang Rai/Lamphun/Mae Hong Son
+66 53Chiang Mai/Chiang Rai/Lamphun/Mae Hong Son
+66 54Lampang/Nan/Phayao/Phrae
+66 55Kamphaeng Phet/Phitsanulok/Sukhothai/Tak/Uttaradit
+66 56Chai Nat/Nakhon Sawan/Phetchabun/Phichit/Uthai Thani
+66 73Narathiwat/Pattani/Yala
+66 74Phatthalung/Satun/Songkhla
+66 75Krabi/Nakhon Si Thammarat/Trang
+66 76Phang Nga/Phuket
+66 77Chumphon/Ranong/Surat Thani

27 rows. Names are where the range was first assigned; numbers move between places and carriers.

Who first issued each range in Thailand

583 ranges are listed in the source with the network that first held them. Numbers port between networks, so the current network can differ.

Starts withFirst issued to
+66 6102AIS
+66 6103AIS
+66 6104AIS
+66 6105AIS
+66 6106AIS
+66 6107AIS
+66 6108AIS
+66 6109AIS
+66 611AIS
+66 612AIS
+66 613AIS
+66 614AIS
Show the other 388 rows
Starts withFirst issued to
+66 615AIS
+66 6160AIS
+66 6161AIS
+66 6162AIS
+66 6163AIS
+66 6164AIS
+66 6165AIS
+66 6166AIS
+66 6167AIS
+66 6168DTAC
+66 617DTAC
+66 618DTAC
+66 619DTAC
+66 620DTAC
+66 621AIS
+66 622AIS
+66 623AIS
+66 624AIS
+66 625AIS
+66 626DTAC
+66 6260AIS
+66 627DTAC
+66 628DTAC
+66 629DTAC
+66 6298AIS
+66 6299AIS
+66 630AIS
+66 631AIS
+66 6320AIS
+66 6321AIS
+66 6322AIS
+66 6323AIS
+66 6324AIS
+66 6325AIS
+66 6326AIS
+66 6327AIS
+66 6328AIS
+66 633DTAC
+66 634DTAC
+66 6357AIS
+66 6358AIS
+66 6359AIS
+66 636AIS
+66 637True Move
+66 638True Move
+66 639True Move
+66 64Penguin SIM
+66 649AIS
+66 650AIS
+66 651AIS
+66 652AIS
+66 6520DTAC
+66 6521DTAC
+66 6522DTAC
+66 6523DTAC
+66 653AIS
+66 654AIS
+66 655AIS
+66 656AIS
+66 6570AIS
+66 6571AIS
+66 6572AIS
+66 6574DTAC
+66 6575DTAC
+66 6576DTAC
+66 6577DTAC
+66 659AIS
+66 66DTAC
+66 67AIS
+66 800AIS
+66 801AIS
+66 802True Move
+66 8030True Move
+66 8031True Move
+66 8032True Move
+66 8034True Move
+66 8035True Move
+66 8036True Move
+66 8037True Move
+66 8038True Move
+66 8039True Move
+66 804DTAC
+66 805DTAC
+66 806AIS
+66 807AIS
+66 808AIS
+66 809True Move
+66 811AIS
+66 8121TOT Mobile
+66 8122TOT Mobile
+66 8123True Move
+66 8125AIS
+66 8126AIS
+66 8127AIS
+66 8128AIS
+66 8129AIS
+66 813AIS
+66 8130DTAC
+66 8134DTAC
+66 8135True Move
+66 8139DTAC
+66 814DTAC
+66 8146True Move
+66 815DTAC
+66 8150AIS
+66 8151AIS
+66 8152AIS
+66 816DTAC
+66 817AIS
+66 818AIS
+66 819AIS
+66 820True Move
+66 821AIS
+66 822AIS
+66 823DTAC
+66 824DTAC
+66 825True Move
+66 8261True Move
+66 8262True Move
+66 8263True Move
+66 8264True Move
+66 8265True Move
+66 8266True Move
+66 8267True Move
+66 8268True Move
+66 8269True Move
+66 827DTAC
+66 828AIS
+66 829True Move
+66 8292AIS
+66 83True Move
+66 831DTAC
+66 8326AIS
+66 8328DTAC
+66 8329DTAC
+66 833AIS
+66 8341DTAC
+66 8348AIS
+66 8354DTAC
+66 8355DTAC
+66 8356DTAC
+66 8357DTAC
+66 8358DTAC
+66 8359AIS
+66 836DTAC
+66 8372DTAC
+66 8373DTAC
+66 8374DTAC
+66 8376DTAC
+66 8395DTAC
+66 8396DTAC
+66 84AIS
+66 840True Move
+66 841True Move
+66 842True Move
+66 8430DTAC
+66 8440DTAC
+66 8450True Move
+66 8451DTAC
+66 8458True Move
+66 8459DTAC
+66 846DTAC
+66 8497True Move
+66 8498True Move
+66 8499True Move
+66 850DTAC
+66 851DTAC
+66 852AIS
+66 853DTAC
+66 854AIS
+66 8540DTAC
+66 8541DTAC
+66 8549DTAC
+66 855True Move
+66 856AIS
+66 8561DTAC
+66 857AIS
+66 858True Move
+66 859True Move
+66 8590DTAC
+66 8591DTAC
+66 8592DTAC
+66 860AIS
+66 861AIS
+66 862AIS
+66 863True Move
+66 864True Move
+66 865True Move
+66 866True Move
+66 8670True Move
+66 8671True Move
+66 8672True Move
+66 8673True Move
+66 8674True Move
+66 8675DTAC
+66 8676DTAC
+66 8677DTAC
+66 8678DTAC
+66 8679DTAC
+66 868DTAC
+66 869DTAC
+66 870AIS
+66 871AIS
+66 872AIS
+66 873DTAC
+66 874DTAC
+66 875DTAC
+66 876DTAC
+66 877DTAC
+66 878AIS
+66 879AIS
+66 880DTAC
+66 881DTAC
+66 8820DTAC
+66 8821DTAC
+66 8822DTAC
+66 8823DTAC
+66 8824DTAC
+66 8825True Move
+66 8826True Move
+66 8827True Move
+66 8828True Move
+66 8829True Move
+66 883AIS
+66 884AIS
+66 8850AIS
+66 8851AIS
+66 8852AIS
+66 8853AIS
+66 8854AIS
+66 8855True Move
+66 8856True Move
+66 8857True Move
+66 8858True Move
+66 8859True Move
+66 886True Move
+66 8870AIS
+66 8871AIS
+66 8872AIS
+66 8873AIS
+66 8874AIS
+66 8875True Move
+66 8876True Move
+66 8877True Move
+66 8878True Move
+66 8879True Move
+66 888DTAC
+66 889True Move
+66 8890DTAC
+66 890AIS
+66 891True Move
+66 892AIS
+66 893TOT Mobile
+66 894DTAC
+66 895AIS
+66 896DTAC
+66 897DTAC
+66 898AIS
+66 899AIS
+66 900DTAC
+66 901AIS
+66 9021True Move
+66 9022True Move
+66 9023True Move
+66 9024True Move
+66 9025True Move
+66 9026True Move
+66 9027True Move
+66 9028True Move
+66 9029True Move
+66 903AIS
+66 9032True Move
+66 904AIS
+66 9050TOT Mobile
+66 9051TOT Mobile
+66 9052TOT Mobile
+66 9053TOT Mobile
+66 9054TOT Mobile
+66 9055DTAC
+66 9056DTAC
+66 9057DTAC
+66 9058DTAC
+66 9059DTAC
+66 906DTAC
+66 9070DTAC
+66 9071DTAC
+66 9072DTAC
+66 9073DTAC
+66 9074DTAC
+66 9075AIS
+66 9076AIS
+66 9077AIS
+66 9078AIS
+66 9079AIS
+66 908AIS
+66 9089True Move
+66 909True Move
+66 910True Move
+66 9108DTAC
+66 9109DTAC
+66 911DTAC
+66 9120AIS
+66 9122AIS
+66 9123AIS
+66 9124AIS
+66 9125AIS
+66 9126AIS
+66 9127AIS
+66 9128AIS
+66 9129AIS
+66 913AIS
+66 9138DTAC
+66 9139DTAC
+66 914DTAC
+66 9150DTAC
+66 9151DTAC
+66 9152DTAC
+66 9153DTAC
+66 9154DTAC
+66 9155AIS
+66 9156AIS
+66 9157AIS
+66 9158AIS
+66 9159AIS
+66 916AIS
+66 9169True Move
+66 917True Move
+66 918True Move
+66 9189TOT Mobile
+66 919TOT Mobile
+66 9198AIS
+66 9199AIS
+66 92AIS
+66 920DTAC
+66 921DTAC
+66 9220DTAC
+66 9221DTAC
+66 9222DTAC
+66 9223DTAC
+66 9224DTAC
+66 93AIS
+66 938True Move
+66 939True Move
+66 94DTAC
+66 940True Move
+66 941True Move
+66 9420True Move
+66 9421True Move
+66 9422True Move
+66 9423True Move
+66 95True Move
+66 950DTAC
+66 9510DTAC
+66 9511DTAC
+66 9512DTAC
+66 9515AIS
+66 9530AIS
+66 96True Move
+66 970True Move
+66 971True Move
+66 972True Move
+66 973True Move
+66 9736TOT Mobile
+66 9737TOT Mobile
+66 9738TOT Mobile
+66 9739TOT Mobile
+66 974TOT Mobile
+66 975TOT Mobile
+66 976TOT Mobile
+66 977TOT Mobile
+66 978TOT Mobile
+66 979AIS
+66 9790TOT Mobile
+66 9791TOT Mobile
+66 98AIS
+66 990DTAC
+66 9900AIS
+66 9901AIS
+66 991DTAC
+66 992DTAC
+66 993DTAC
+66 994DTAC
+66 995True Move
+66 9950DTAC
+66 996True Move
+66 997True Move
+66 998True Move
+66 999True Move

Showing 400 of 583 rows in the source. The first issuer of the range; numbers port between carriers, so the current carrier can differ.

Questions about calling Thailand

What is the country code for Thailand?
The country code for Thailand is +66. Written in full, a number looks like +66 81 234 5678.
How do I call Thailand from the United States?
Dial 011, then 66 81 234 5678. On a mobile phone you can dial +66 81 234 5678 instead.
Do I dial the 0 at the start of a Thailand number from abroad?
No. The 0 is the trunk prefix used for calls inside Thailand (081 234 5678). From abroad it is dropped after +66 (+66 81 234 5678).
How many digits is a Thailand phone number?
Mobile numbers have 9 digits after the country code. Landline numbers have 8 digits.

Check numbers in bulk with the API

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See every country code.

Number patterns, lengths and examples: libphonenumber-js 1.13.15, released 2026-10-08, read 2026-10-19, built on Google's libphonenumber metadata. Place names and first issuers: libphonenumber geocoding and carrier files, read 2026-10-19. Library. LookValid is not connected to Google or to any phone company named here.