How to Call Thailand From the US: Complete Guide (+66)

Table of Contents
Thailand is a major calling destination from the US — for expats, travelers, retirees, and business contacts. Thai phone numbers follow a simple format once you know the rules, and VoIP rates are among the cheapest in Southeast Asia.
This guide covers how to dial Thai numbers correctly and the most affordable options for calling Thailand.
How to Dial Thailand From the US
Step by Step
- Dial + (or 011 from a US landline)
- Dial 66 (Thailand country code)
- Drop the leading 0 and dial the rest
Example: A Thai person gives you 081-234-5678. You dial +66 81 234 5678 (remove the 0).
Thailand Area Codes
Bangkok is the only city with a 1-digit area code (2). All other regions have 2-digit codes.
Thai Mobile Numbers
All Thai mobile numbers start with 0 followed by 6, 8, or 9 (domestically). From the US, drop the 0:


