Area Code 625 – Deriana

Geographic Coverage and Administrative Jurisdiction

The area code 625 is a geographic National Destination Code (NDC) assigned to the city of Deriana and its surrounding administrative district in northeastern Libya. Deriana is located in the Marj District (Al Marj), approximately 30 kilometers east of Benghazi, the country's second-largest city. The code 625 is part of Libya's national numbering plan, which adheres to ITU-T E.164 recommendations, and is used exclusively for fixed-line (PSTN) services within this region.

Dialing Formats and Caller Instructions

For callers within Libya, the local dialing format requires the trunk prefix 0 followed by the area code and the subscriber number. For example, to call a landline in Deriana from another Libyan city, you would dial: 0 625 XXX XXX. The subscriber number typically consists of six digits, making the total national significant number (NSN) length nine digits (excluding the trunk prefix).

International callers must use Libya's country calling code +218, followed by the area code without the leading trunk prefix. Therefore, an international call to Deriana would be formatted as: +218 625 XXX XXX. It is crucial to omit the initial '0' when dialing from abroad.

Overlay and Numbering Considerations

As of the latest ITU-T operational bulletin, there are no overlay codes or additional area codes assigned to Deriana; the 625 code remains the sole geographic identifier for the region. However, due to the expansion of mobile and VoIP services, some subscribers may have migrated to alternative numbering schemes. Callers should verify the correct number with the called party if an unexpected disconnect occurs.

Regulatory and Technical Notes

The Libyan General Telecommunications Authority (GTA) oversees the allocation and management of numbering resources. Fixed-line services in Deriana are primarily provided by the state-owned operator, Libyana, and the fixed-line incumbent, Libya Telecom & Technology (LTT). These services are delivered over traditional copper lines and, increasingly, fiber-optic infrastructure. The area code 625 is not portable to mobile networks; it is strictly tied to the geographic location of the line.

For businesses and residents in Deriana, the use of the 625 code ensures clear identification of their geographic location, which is essential for emergency services, local taxation, and number recognition. When dialing from a mobile phone within Libya, the same trunk prefix rules apply, but mobile users may need to include the '0' even when dialing from a mobile to a fixed line.