Telephone numbers in Thailand: Everything You Need to Know

In Thailand, you can find telephone numbers in a variety of formats, but the most common one is the 10-digit number, starting with a 0.

The first digit of a Thai telephone number indicates the type of service, with 0 being the most common for landlines and mobile numbers.

Thai telephone numbers can be divided into two main categories: landline numbers and mobile numbers.

Geographic Area Codes in Thailand are quite straightforward. In Bangkok and nearby provinces, the area code is just one digit, while in all other provinces, it's two digits.

The area code is usually shared by several provinces and roughly follows provincial borders. You can find the specific area codes for each province in the table below:

In Bangkok, the area code is 02, while in Chiang Mai, it's 52.

Mobile phone numbers in Thailand start with prefixes like 06, 08, or 09, and are not geographically tied, offering flexibility and mobility.

Thai mobile numbers dominate the market due to high smartphone penetration and are essential for international calls, messaging apps, and business communication.

AIS, True, and DTAC are the three major mobile phone operators in Thailand, each with their own range of mobile phone codes. For example, AIS uses codes 061, 063, and 065, while True uses 064 and DTAC uses 066.

Here's a breakdown of the mobile phone codes and their corresponding operators:

VoIP services, on the other hand, use area code 6, plus a second digit, resulting in two digits excluding the leading zero. For example, TrueMove's VoIP service uses the code 060, while TOT's VoIP service uses the code 068.

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Mobile codes in Thailand are assigned by the mobile phone operators, with AIS, True, and DTAC being the major players. Each operator has its own range of codes.

Mobile phone codes are in area codes 8 and 9, and VoIP are in the area code 6, plus a second digit. This results in two digits excluding the leading zero.

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AIS has codes 061, 063, 065, 080-0 to 080-2, 080-6, 081-0 to 081-2, 081-7 to 081-9, 084, 087, and 092. TrueMove has codes 064, 083, 086, and 088. DTAC has codes 066, 085, 090, and 094.

VoIP services like Skype, Zoom Phone, or Nextiva offer Thailand phone numbers as part of their international plans. These services are suitable for businesses needing both landline numbers and mobile phone access.

Here's a breakdown of the mobile codes assigned to each operator:

Mobile phone numbers in Thailand start with prefixes like 06, 08, or 09. They are not geographically tied, offering flexibility and mobility.

Using Virtual Numbers in Thailand is a great way to establish a local presence without the need for a physical office. You can get a virtual phone number with a local Bangkok area code (2) followed by seven digits or a local Chiang Mai area code (52) followed by six digits.

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Virtual numbers support features like call forwarding, voicemail-to-email, and multiple device support, making it easy to handle incoming calls from anywhere. Top Thailand virtual number providers include CallHippo, RingCentral, and Grasshopper.

Businesses can use virtual numbers to offer global customer support, and these numbers can receive and make international calls from anywhere using a Thailand phone number as the outbound caller ID. Virtual numbers also come with features like call routing, reports, IVR, auto-attendant, and more.

Here are some key features of virtual numbers in Thailand:

With virtual numbers, businesses can route incoming calls to any global number, ensuring they never miss a call. This is especially useful for businesses serving Thai local customers or offering global customer support.

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You can get a toll-free number in Thailand with Global Call Forwarding, which gives you access to more than 150 countries and hundreds of cities around the world.

With toll-free numbers, customers can call you for free, making it easier for them to reach out to your business.

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You can choose from a variety of toll-free numbers, including city and country codes, to suit your business needs.

Here are some benefits of using toll-free numbers in Thailand:

To get started with toll-free numbers in Thailand, you can visit the Global Call Forwarding website and follow these steps:

1. Dial your country's international access code (e.g., 011 from the US)

2. Dial the Thailand country code number (+66)

3. Remove the leading '0' from the Thai number

4. Dial the remaining digits

For example, to call 081-234-5678 from the US, dial: 011-66-81-234-5678

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International dialling from Thailand can be a bit tricky, but don't worry, it's easy once you know the pattern.

Carrier selection codes, which direct the call via one of several providers, are as follows:

To dial a Thailand phone number from outside the country, you'll need to dial your country's international access code, followed by the country code number (+66), and then the Thai number itself.

If you're calling from the US, for example, you'd dial 011-66- followed by the 8-digit Thai number, removing the leading '0' first.

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Thailand uses a closed dialing plan, meaning the area code is required even for local calls. This is important to keep in mind when designing your dialing interface.

Thai phone numbers are typically 9 to 10 digits long, and they include a trunk prefix (usually 0), followed by an area code or mobile prefix, and then the subscriber number.

The general structure of a Thai phone number is as follows: +66-XX-XXX-XXXX (International format) or 0XX-XXX-XXXX (Local format).

Here's a breakdown of the components of a Thai phone number:

The Subscriber Number is 7-8 digits long, depending on the number type (landline, mobile, etc.).

The country code for Thailand is +66, which you'll need to dial before making a call.

To call from outside Thailand, you'll first dial your country's international access code, such as 011 from the US.

Dial the Thailand country code number (+66) next, then remove the leading '0' from the Thai number.

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A simple example of this is calling 081-234-5678 from the US, where you'd dial 011-66-81-234-5678.

Thailand phone numbers typically have a trunk prefix, toll-free or area code, and a 7-8-digit subscriber number.

Here's an example of a Thailand phone number format: +66 (02) xxx-xxxx, where 2 is the Bangkok area code.

Thai phone numbers are usually 9 to 10 digits long, including a trunk prefix, area code or mobile prefix, and subscriber number.

The international format for a Thai phone number is +66-XX-XXX-XXXX.

To dial from abroad, drop the leading '0' from the local number and replace it with the Thailand country code, +66.

The Thailand toll-free number format is (1800) xxx-xxx, while the local number format is +66 2 xxx-xxxx.

In Thailand, there are different types of numbers that help you navigate the country's telephone system. Thai Toll-Free Numbers are free to call from within Thailand and start with 1800.

Thai Local Numbers have local area codes and are charged based on local calling rates. If you're calling from within the same area, this might be the most cost-effective option.

Thai National Numbers are reachable throughout the entire country and start with +66 (0) 60 followed by six digits. You can reach anyone with a National Number from anywhere in Thailand.

Thai Mobile Numbers are capable of receiving voice calls and appear in the format +66 (0) followed by nine digits. These numbers are perfect for staying in touch with friends and family on the go.

Here's a quick rundown of the different types of numbers in Thailand:

Thai numbers can be quite diverse, but let's break it down. Thai Toll-Free Numbers are free to call from within Thailand and start with 1800.

Thai Local Numbers have local area codes and are charged based on local calling rates, which is good to know if you're trying to save money on calls.

Thai National Numbers are reachable throughout the entire country and start with +66 (0) 60 followed by six digits. This is useful if you need to reach someone across the country.

Thai Mobile Numbers are capable of receiving voice calls and appear in the format +66 (0) followed by nine digits.

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Getting a Thai number is a bit of a challenge, but with the right information, you can do it. Thai numbers are written with a base-10 system, just like the numbers we use every day.

In Thai, the number one is written as "หนึ่ง" (nüeng), and it's pronounced like "nay-ung". You might hear it in the context of counting, like "หนึ่งสองสาม" (nüeng sawng sam), which means "one, two, three".

To write a Thai number, you need to know the basic digits, which are "ศูนย์" (suan) for zero, "หนึ่ง" (nüeng) for one, "สอง" (sawng) for two, and so on up to "เก้า" (kao) for nine.

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Calling and dialling in Thailand can be a bit tricky, but don't worry, I've got you covered. To make an international call from Thailand, you need to use a carrier selection code, which directs the call via one of several providers.

The carrier selection codes are as follows: 001 – CAT Telecom, 003 – AIS, 004 – Total Access Communication, 005 – AIN Globalcom, 006 – True Move, and 009 – CAT Telecom (low cost, using VoIP).

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To dial a Thailand phone number from outside the country, you need to dial your country's international access code, followed by the Thailand country code number (+66), then remove the leading '0' from the Thai number, and finally dial the remaining digits. For example, to call 081-234-5678 from the US, you'd dial 011-66-81-234-5678.

Here's a list of the Thailand country code and its corresponding international access code for the US: Country Code: +66International Access Code (US): 011

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Thai phone numbers can be surprisingly affordable, with options starting at $17.95 per month.

You can get a Thailand virtual phone number from a VoIP service provider, which often includes minutes and no setup fees or long-term contracts.

Thailand virtual phone numbers start at $17.95 per month, and you can choose from a variety of plans with different minute inclusions.

These VoIP services, like Skype and Zoom Phone, can provide both landline and mobile phone access, making it easy to connect with teams or clients across borders.

With a virtual phone number in Thailand, you can receive and make international calls from anywhere, using a Thailand phone number as the outbound caller ID.

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Thailand's telephone numbering system is overseen by the National Broadcasting and Telecommunications Commission (NBTC), which adheres to the ITU-T E.164 international numbering plan.

This standardized structure ensures global interoperability and simplifies number handling for developers. The NBTC also regulates premium number allocation through a tiered system (Platinum, Gold, Silver, Standard) and a transparent auction process.

Here's a breakdown of the types of Thai numbers: TypeDescriptionThai Toll-Free NumbersFree to call from within Thailand and start with 1800.Thai Local NumbersHave local area codes and are charged based on local calling rates.Thai National NumbersReachable throughout the entire country and start with +66 (0) 60 followed by six digits.Thai Mobile NumbersCapable of receiving voice calls and appear in the format +66 (0) followed by nine digits.

To ensure secure management of Thai numbers, implement end-to-end encryption for number storage using industry-standard algorithms like AES-256, and employ role-based access control (RBAC) and multi-factor authentication for sensitive operations.

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The Thai numbering system is overseen by the National Broadcasting and Telecommunications Commission (NBTC) and follows the ITU-T E.164 international numbering plan, ensuring global interoperability.

This standardized structure is a game-changer for developers, as it simplifies number handling and makes it easier to work with Thai phone numbers.

Thai Toll-Free Numbers are free to call from within Thailand and start with 1800.

Thai Toll-Free Numbers are a great way to provide customer support without incurring costs for the caller.

Thai National Numbers are reachable throughout the entire country and start with +66 (0) 60 followed by six digits.

Thai Mobile Numbers are capable of receiving voice calls and appear in the format +66 (0) followed by nine digits.

Here are the different types of Thai numbers to keep in mind:

Portability is a crucial aspect of telecommunications, allowing users to switch carriers without changing their numbers. In Thailand, for instance, Number Portability (MNP) was implemented in 2014, significantly impacting the competitive landscape and improving consumer choice.

This has led to a more dynamic market where users can easily switch between carriers, making it essential for developers to understand MNP for accurate routing and data integrity.

The implementation of MNP in Thailand has shown a positive impact on the market, and it's likely that other countries will follow suit.

Premium management is crucial for any business dealing with premium numbers. The NBTC regulates premium number allocation through a tiered system (Platinum, Gold, Silver, Standard) and a transparent auction process.

To ensure compliance, you'll need to implement end-to-end encryption for number storage using industry-standard algorithms like AES-256. Regular key rotation and secure key management are essential.

Access control is also vital, and you should employ role-based access control (RBAC) and multi-factor authentication for sensitive operations. Maintain detailed audit logs of all access attempts.

Automated compliance checking, regular security assessments, and real-time violation alerts are also necessary for compliance monitoring.

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Here's a summary of key compliance requirements:

Ensure your implementation aligns with the latest NBTC data protection guidelines, including the 2023 updates on user data handling and storage. For detailed technical specifications and current regulations, visit the NBTC Official Portal.

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