Thailand TOLL FREE NUMBERSGet a Thailand Toll Free number for Your Business
Give your customers in Thailand a professional 1800 number they can call toll free.
Route calls directly to your existing landline, mobile, PBX, contact centre or SIP platform - anywhere in the world.
Why leading businesses choose Gtele.com for international numbers
From a single Thailand toll free number to an international numbering estate across 140+ countries, our team manages provisioning, routing, porting, testing, and ongoing support so your global telephony runs smoothly.
Global Provisioning & Compliance
Fast activation across 140+ countries. We navigate local telecom regulations, address requirements, and carrier paperwork so your numbering estate stays 100% compliant.
Intelligent Carrier Routing
Route calls seamlessly to landlines, mobiles, cloud PBXs, Microsoft Teams, contact centres, or global SIP trunks with crystal-clear audio and resilient carrier failover.
Zero-Downtime Number Porting
Already hold Thailand or international toll free numbers? Consolidate with Gtele.com through seamless, zero-downtime porting without disrupting live customer calls.
In-Country Live Testing
Backed by Gtele.com's proprietary in-country testing network. Real local testers place live calls from inside Thailand to verify connection quality and IVR routing.
Dedicated Telecom Specialists
Work directly with knowledgeable UK-based telecoms professionals and voice engineers, not chatbots or automated ticket queues. Dedicated account management available.
Managing a global estate or high call volumes?
Our numbering architects can structure multi-country trunking, complex IVR failover, and bulk volume discounts tailored to your organisation.
How a Thailand toll free number works
1. Your Thai customer
Calls your Thailand toll free number (1800)
2. Your Thailand number
Hosted and managed by Gtele.com
3. Your existing phone system
Calls routed to your landline, mobile, PBX, contact centre or SIP platform - anywhere in the world.
Thailand Toll Free Number
£15.00 one-off setup fee
Calls from 5p/min when routed to a United Kingdom landline (10p/min to mobile).
Not sure which Thailand number you need? Speak to a numbering specialist before ordering.
Perfect for businesses of all sizes
A Thailand toll free number gives your business a familiar Thai contact number while allowing your team to answer calls wherever they are located.
E-commerce
Give Thai customers a familiar number for sales, orders and support.
SaaS & Technology
Provide Thai customers with localised sales and technical support.
Contact Centres
Route Thai inbound traffic directly into your existing contact-centre platform.
International Businesses
Build a Thai presence without opening a physical Thai office.
Already have a Thailand toll free number?
Move it to Gtele.com.
Keep your existing number while consolidating your international numbering with one specialist provider.
Already have a Thailand number but not sure it's working?
Test it from inside Thailand for £20.
A real tester places a call from within Thailand and provides a PASS/FAIL result, call notes and recording where available.
Thailand Toll Free Numbers
Purchase a Thailand Toll Free number for your Business
This is the only free to call toll free number that is available in Thailand.
The number format is: 1800xxxxxxxxx, 1800xxxxxx is the international toll free format.
Landline originating calls will be free of charge from all networks, however mobile originating calls from international toll free may not be free of charge. Mobile originating calls from domestic toll free will be free of charge. Payphones will not be allowed to call these toll-free numbers. Thailand toll free numbers are guaranteed to work from within country only.
Regulation details for Thailand Toll Free numbers:
No paperwork is required to setup a Thailand Toll Free number.
Numbers are not allowed for calling card services.
Standard lead time for carriers to deliver a number is between 2 and 40 working days.
Please note that calling card services and call back services are not allowed on these toll free numbers. Calls from fixed landlines will work across the country but mobile networks are not guaranteed.
You must be a business to order a toll free number in Thailand. Please do not order if you are an individual.
Frequently Asked Questions
Quick answers to common questions about our Thailand toll free numbers.
Need one Thailand number or an entire global numbering estate?
Talk to Gtele.com's international numbering team.
Whether you are launching your first toll free line in Thailand or consolidating numbers across 140+ countries into one resilient SIP platform, we provide rapid activation, full compliance, and dedicated UK support.