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Türkiye 📱 Mobile Network

Area Code 540 – Mobile Network

The phone area code for Mobile Network is 540 (international format +90540). Browse local exchange codes (NXX) and carrier assignments below.

Current Local Time
03:40:51
UTC • UTC +00:00
Full Dialing Format
+90540
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 +90 540

The +90 540 prefix is a non-geographic mobile network code assigned within the Turkish numbering plan, as regulated by the Information and Communication Technologies Authority (BTK). Unlike geographic area codes tied to specific provinces or cities, 540 is location-independent and serves mobile subscribers across Türkiye. This prefix is part of the 54X series, which is allocated to mobile network operators (MNOs) and mobile virtual network operators (MVNOs) operating under the country code +90.

Technical Specifications

Numbers bearing the 540 prefix conform to the ITU-T E.164 international numbering standard. The complete national significant number (NSN) is 10 digits long, beginning with the prefix 540 followed by a 7-digit subscriber number. When dialed internationally, the format is +90 540 XXX XX XX, where the leading zero of the national prefix is omitted. Domestically, callers must dial 0540 XXX XX XX, including the trunk prefix '0'. This uniform length and structure facilitate routing across both legacy PSTN and modern IP-based networks.

Service and Routing

The 540 code is used for mobile voice, SMS, and data services. It is not tied to a specific operator; rather, it can be assigned to various MNOs or MVNOs, and subscribers may retain their numbers when switching providers via mobile number portability (MNP). This means that while the prefix indicates a mobile service, it does not guarantee a particular carrier. For international callers, dialing +90 540 XXX XX XX from abroad will connect to the subscriber's mobile device, regardless of their current location, as long as the device is registered on a network. SMS and MMS routing to 540 numbers follows standard mobile protocols, and international messaging is supported through bilateral agreements between carriers.

Dialing Instructions

  • Within Türkiye: Dial 0540 XXX XX XX (including the initial '0').
  • From abroad: Dial your country's international exit code, then +90 540 XXX XX XX (omit the '0').
  • Example: For a subscriber number 123 45 67, dial 0540 123 45 67 domestically or +90 540 123 45 67 internationally.

As a mobile prefix, 540 is not subject to geographic call pricing; tariffs depend on the caller's and receiver's network and plan. Emergency services and short codes are accessed normally, but always verify the current dialing rules with your service provider.

❓ Frequently Asked Questions

Which mobile operator uses the 540 prefix in Turkey?
The 540 prefix is not exclusively assigned to a single operator. It is used by various mobile network operators (MNOs) and virtual operators (MVNOs) in Turkey. Due to mobile number portability, the prefix does not indicate a specific carrier; you can check with the subscriber or use number lookup services.
How do I call a Turkish number starting with 540 from the US?
From the US, dial the international exit code 011, then Turkey's country code 90, followed by the 10-digit mobile number without the leading zero. For example, 011 90 540 XXX XX XX.
Are calls to 540 numbers charged as local calls?
No, 540 is a mobile prefix, so calls are typically charged at mobile rates, which may be higher than landline rates. The exact cost depends on your phone plan and whether you are calling domestically or internationally.
Can I port my number with the 540 prefix to another operator?
Yes, Turkey supports mobile number portability. You can switch operators while keeping your 540 number. The process is regulated by BTK and usually takes a few days.
Is the 540 prefix used for VoIP or landline services?
No, the 540 prefix is designated for mobile services. VoIP and landline services use different prefixes in Turkey. However, some VoIP providers may offer numbers with mobile prefixes, but they are still treated as mobile numbers for routing purposes.