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Türkiye 📱 Mobile Network

Area Code 531 – Mobile Network

The phone area code for Mobile Network is 531 (international format +90531). Browse local exchange codes (NXX) and carrier assignments below.

Current Local Time
03:41:07
UTC • UTC +00:00
Full Dialing Format
+90531
Population N/A
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Admin Region Türkiye
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Elevation N/A
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GPS Coordinates N/A
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Overview of +90 531

The country calling code +90 is assigned to Türkiye under the ITU-T E.164 international numbering plan. Within this plan, the prefix 531 is a non-geographic mobile network code, specifically allocated to mobile services. Unlike geographic area codes that correspond to fixed locations, 531 does not denote a specific city or region; instead, it is used for mobile numbers that are portable across the country. This means that a subscriber retaining their number can move anywhere in Türkiye, and the number remains valid.

Numbering Structure and Formatting

Turkish mobile numbers, including those starting with 531, follow a standardized format. The full international dialing format is +90 531 XXX XX XX, where the total number length is 12 digits when including the country code, or 10 digits in national format (0 531 XXX XX XX). The prefix 531 is part of the National Destination Code (NDC) and is followed by a seven-digit subscriber number. When dialing domestically, callers must include the trunk prefix '0' before the NDC. For international callers, the '0' is omitted, and the country code +90 is used.

Service Providers and Portability

The 531 prefix is operated by major Turkish mobile network operators (MNOs) and mobile virtual network operators (MVNOs). Due to mobile number portability (MNP), subscribers can switch carriers while retaining their 531 number. Therefore, the prefix does not definitively identify the current operator, but it originally belonged to one of the main MNOs. For routing purposes, the network uses the prefix to route calls and SMS to the appropriate mobile network, regardless of the current service provider.

Dialing Instructions

  • Domestic calls (within Türkiye): Dial 0 531 XXX XX XX. For example, to call a 531 number from a landline or another mobile in Türkiye, you would dial 0531 XXX XX XX.
  • International calls (from abroad): Dial +90 531 XXX XX XX. For instance, from the United States, you would dial 011 90 531 XXX XX XX, and from the UK, 00 90 531 XXX XX XX.
  • SMS and MMS: Use the same international format for sending messages from abroad.

Regulatory and Cost Considerations

The Information and Communication Technologies Authority (BTK) regulates numbering in Türkiye. Mobile numbers are non-geographic, and tariffs vary depending on the caller's plan and the recipient's network. Calls to 531 numbers are typically charged as mobile calls, and international roaming is supported. When calling from abroad, international rates apply, which may be higher than domestic rates. It is advisable to check with your service provider for specific charges.

❓ Frequently Asked Questions

What is the format for dialing a +90 531 number from the United States?
From the US, dial the international access code 011, then Türkiye's country code 90, followed by the mobile number without the leading 0. For example, 011 90 531 XXX XX XX.
Is 531 a mobile or landline prefix in Türkiye?
531 is a mobile network prefix in Türkiye, used exclusively for mobile numbers. It is non-geographic and not tied to any specific location.
Can I keep my 531 number if I switch mobile operators?
Yes, Türkiye supports mobile number portability. You can retain your 531 number when switching to another mobile operator, as long as you follow the porting process.
What does the 0 in 0531 mean when dialing domestically?
The leading 0 is the trunk prefix used for domestic calls in Türkiye. It is dialed before the national destination code (531) when calling within the country, but it is omitted when dialing from abroad.
Are calls to 531 numbers more expensive than landline calls?
Calls to 531 numbers are charged as mobile calls, which may be more expensive than calls to landlines depending on your tariff plan. International rates apply when calling from outside Türkiye.