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Gabon ☎️ Landline / Geographic

Area Code 0156 – Port-Gentil

The phone area code for Port-Gentil is 0156 (international format +2410156). Browse local exchange codes (NXX) and carrier assignments below.

Current Local Time
03:35:36
UTC • UTC +00:00
Full Dialing Format
+2410156
Population 164,018
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Admin Region Ogooué-Maritime
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Elevation 4m
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GPS Coordinates -0.7193, 8.7815
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📍 Geographic Location of Port-Gentil

Overview of +241 0156

The prefix +241 0156 is a geographic National Destination Code (NDC) assigned to the city of Port-Gentil, the economic capital of Gabon and the country's second-largest city. Port-Gentil is located on the Ogooué River delta and serves as a major hub for the oil and gas industry. This code is used for fixed-line (PSTN) services within the city and its immediate surroundings, including the administrative districts of Omboué and the surrounding Ogooué-Maritime Province.

Dialing Formats

When calling a number with this prefix, the format depends on the caller's location:

  • International call from abroad: Dial the international access prefix (e.g., 00 from most countries, or + from mobile phones), followed by 241 (Gabon's country code), then 0156 and the subscriber's 6-digit local number. For example, a full international number would look like +241 0156 XX XX XX.
  • Domestic call from within Gabon: Dial 0156 followed by the 6-digit subscriber number. The trunk prefix '0' is part of the national significant number (NSN), which is 9 digits in total (including the leading '0').
  • Local call within Port-Gentil: In some cases, local calls may be placed using only the 6-digit subscriber number, but it is recommended to always use the full NDC to avoid confusion, especially with the growing number of mobile and VoIP services.

Geographic Coverage and Administration

The prefix is administered by the Telecommunications Regulatory Agency of Gabon (ARTEL) and is allocated to fixed-line operators such as Gabon Telecom. It covers the urban and suburban areas of Port-Gentil, including the commercial districts, the airport zone, and the port facilities. The numbering plan follows the ITU-T E.164 recommendation, and the geographic nature of the code means that the number is tied to a physical location, which is important for emergency services and law enforcement.

Overlays and Numbering Changes

As of the latest ITU-T operational bulletin, there are no overlay codes for Port-Gentil. However, the rapid expansion of mobile and VoIP services has led to increased demand for numbering resources. Subscribers in Port-Gentil may experience number changes if the operator reorganizes its numbering plan, but the current structure is stable. For callers, it is essential to note that the leading '0' is not dialed when calling from abroad; only the country code and the remaining digits are used.

Practical Tips for Callers

For international callers, always verify the current dialing format with your telecom provider, as some countries require a specific international prefix. For businesses, it is advisable to list both local and international formats on websites and contact materials. When calling from a mobile phone, ensure that the plus sign (+) is used to indicate the international prefix. This code is not toll-free; standard international or national tariffs apply.

❓ Frequently Asked Questions

What city does the +241 0156 area code cover?
The +241 0156 area code covers Port-Gentil, the economic capital of Gabon, and its surrounding areas in the Ogooué-Maritime Province.
How do I call a +241 0156 number from the United States?
Dial the US international exit code 011, then 241 (Gabon's country code), then 0156 and the 6-digit local number. For example, 011 241 0156 XX XX XX.
Is +241 0156 a mobile or fixed-line prefix?
It is a fixed-line (geographic) prefix assigned to landline services in Port-Gentil, not to mobile networks.
Do I need to dial the '0' when calling a Gabon number from abroad?
No, the leading '0' in the national prefix is not dialed when calling from abroad. You dial the country code +241, then the NDC without the leading zero (0156 becomes 0156? Actually, you dial 241 0156? Wait, the correct format is +241 0156, but the '0' is included? Let's clarify: In Gabon, the national significant number includes the leading '0' for geographic codes. When calling from abroad, you dial the country code +241, then the NDC without the leading zero? Actually, ITU-T recommends that the leading '0' is part of the NDC, but when dialing internationally, you do not dial the trunk prefix '0'? Let's check: For Gabon, the country code is +241, and the national significant number is 9 digits starting with '0' for geographic codes. So the international format is +241 0XX XXX XXX? Actually, the ITU-T E.164 number is country code + national significant number. The national significant number includes the trunk prefix '0'? In many countries, the trunk prefix is not part of the E.164 number. For Gabon, the NSN is 9 digits, and the first digit is '0' for geographic codes? Let's verify: According to ITU-T, Gabon's numbering plan: country code 241, NSN length 9 digits. Geographic numbers start with '0'? Actually, I recall that Gabon changed to 9-digit numbers with a leading '0' for all services. So the international format is +241 0XX XXX XXX? But that would be 10 digits after country code? Let's check: If NSN is 9 digits, and it starts with '0', then the international number is +241 followed by the 9-digit NSN, which includes the '0'. So the example +241 0156 XX XX XX is correct. So the answer: When calling from abroad, you dial +241 0156 XX XX XX, including the '0'. The '0' is not a trunk prefix but part of the NDC. So the answer is: Yes, you include the '0' because it is part of the national significant number. But the question asks if you need to dial the '0' - the answer is yes, because it is part of the number. However, some sources might say you don't dial the trunk prefix, but in Gabon, the '0' is part of the NDC. To avoid confusion, we'll state: Yes, you include the '0' as part of the area code when dialing internationally. So the answer: Yes, you dial the '0' as part of the area code. For example, +241 0156 XX XX XX.
Are there any special charges for calling +241 0156 numbers?
Calls to this geographic prefix are subject to standard international tariffs set by your telecom operator. There are no premium or toll-free charges associated with this code.