Area Code 1156 – Port-Gentil
The phone area code for Port-Gentil is 1156 (international format +2411156). Browse local exchange codes (NXX) and carrier assignments below.
📍 Geographic Location of Port-Gentil
Geographic Overview
The +241 1156 numbering range is a geographic allocation within the Gabonese national numbering plan, specifically designated for the coastal city of Port-Gentil, the capital of Ogooué-Maritime Province. Port-Gentil is Gabon's second-largest city and a vital economic hub due to its role in the petroleum and timber industries. This prefix serves fixed-line subscribers within the city's metropolitan area and its immediate surroundings.
Dialing Formats
For callers within Gabon, the national significant number (NSN) is 9 digits long, beginning with the trunk prefix '0' followed by the national destination code (NDC) '1156' and the subscriber's 4-digit line number. The complete national format is: 0 1156 XX XX (e.g., 0 1156 12 34). For international callers, the country code +241 replaces the trunk '0', yielding the format: +241 1156 XX XX (e.g., +241 1156 12 34).
Caller Instructions
When dialing from a foreign country, always use the international prefix (e.g., 00 from most European countries, 011 from the US/Canada) followed by Gabon's country code +241 and the full NSN without the leading '0'. For example, to call a Port-Gentil fixed line from the United States, dial: 011 241 1156 12 34. Local calls within Gabon require the trunk prefix '0' before the NDC. If you are physically in Port-Gentil and calling another local fixed line, you may still need to include the full national number, as Gabon uses closed dialing for fixed lines.
Technical Considerations
The 1156 prefix is part of the geographic numbering plan, meaning that the number is tied to a physical location and is primarily used for PSTN (Public Switched Telephone Network) services. Calls to these numbers are typically routed over traditional circuit-switched networks, though some operators may use VoIP backhaul. The number length is fixed at 9 digits for national dialing (including the leading '0'), and 9 digits after the country code for international dialing (excluding the '0'). This prefix is not portable to mobile networks, as mobile numbers in Gabon have distinct prefixes (e.g., 07x).
Business and Consumer Use
Businesses and residents in Port-Gentil use these lines for reliable fixed-line communications, often for corporate offices, government institutions, and internet via DSL. When listing a Port-Gentil number on international websites or marketing materials, always use the international format +241 1156 XX XX to ensure global reachability.