Thailand
Country Code & Virtual Numbers
Thailand's +66 code serves one of Southeast Asia's largest mobile markets, led by AIS, True, and dtac. Capital: Bangkok · Business hours: 9:00 PM–5:00 AM EST.
What is the +66 country code?
Thailand's international dialing code is assigned by the ITU (International Telecommunication Union) and used for every call placed from outside the country.
Network & carriers
Thailand's telecom market is regulated by the NBTC, with AIS, True Corporation, and dtac as the major carriers.
Numbering format
Thai mobile numbers drop the leading 0 internationally — a domestic 08 number becomes +66 8 when dialed from abroad.
Calling culture
Thai business culture values politeness, patience, and maintaining harmony — direct confrontation or urgency is generally avoided in favor of a measured tone.
Bangkok's telephone numbering has been consolidated multiple times as the metro area's population grew into one of the largest in Southeast Asia.
A quick read on Thailand numbers.
Thai mobile numbers drop their leading 0 internationally — a domestic 08 number becomes +66 8 when dialed from abroad. Rozper stores and dials contacts in full E.164 format automatically, so you never have to think about the formatting.
Want to call Thailand from abroad? Dial your local exit code, then 66, then the local number.
Best time to call Thailand from the US
Thailand is on UTC+7 · Business hours = 9:00 PM–5:00 AM EST · Mon–Fri
Why get a Thailand virtual number?
A +66 virtual number gives your business instant local presence in Thailand — without the overhead.
Local caller ID in Thailand
When you call from your virtual Thailand number, contacts see a local +66 number — dramatically improving answer rates.
No office needed
Establish a local presence in Thailand without renting space, hiring locally, or installing any hardware.
Instant credibility
Thai consumers respond well to a recognizable local number, especially given the market's general preference for measured, trust-based communication.
Routes to any device
Calls to your Thailand number ring your team on mobile, desktop, or desk phone — wherever they work.
Everything to call Thailand
The tools to reach Thailand contacts reliably and scale your international presence globally.
150+ country coverage
Get virtual numbers in over 150 countries on the same platform — one dashboard, one bill.
HD voice quality
Crystal-clear calls over our optimised global carrier network. No degraded quality from international routing.
Call recording
Every call recorded and transcribed automatically. Review, share, and reference conversations easily.
Voicemail to text
Voicemails transcribed and delivered by email or SMS. Never miss a message across time zones.
CRM auto-logging
All calls to and from your international number auto-logged in Salesforce, HubSpot, or Zoho.
International analytics
Call volume, answer rates, and duration broken down by country, region, and time of day.
Local Caller ID
Show a local country number as your caller ID when dialling internationally. Improves pickup rates significantly.
Instant provisioning
Activate a new country number in under 60 seconds. No contracts, no hardware, no waiting.
99.99% uptime SLA
Enterprise-grade reliability for your international calling infrastructure, 24/7.
Get a Thailand number today
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Route calls to any device. Set business hours, voicemail, and IVR from your dashboard.
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Thailand questions answered.
Answers about Thailand's NBTC-regulated carriers, harmony-focused calling culture, and getting a local +66 virtual number.
Start calling Thailand, not tomorrow.
Get a virtual Thailand number or make direct international calls to +66 — active in under ten minutes.