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E.164 Country Calling Code

Guinea-Bissau +245

Official telecommunications routing registry for Guinea-Bissau. International dialing prefix is +245. Browse all regional numbering plan area codes below.

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Full Dialing Format
+245 (XXX) XXX-XXXX
International Prefix +245
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ISO Jurisdiction GW
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Total Area Codes 0
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Standard ITU-T E.164
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Guinea-Bissau, a West African nation with a rich cultural tapestry and a complex telecommunications landscape, is identified internationally by the calling code +245. For businesses, NGOs, and individuals seeking to establish contact with partners in this Portuguese-speaking country, understanding the nuances of its telephone system is essential. The country's telecom infrastructure has historically been underdeveloped, but recent years have seen significant strides in mobile connectivity, making direct communication more feasible than ever before. This comprehensive guide provides an in-depth look at dialing into Guinea-Bissau, covering everything from the basic format to the specific administrative and practical considerations that can ensure your calls connect successfully.

Understanding the Dialing Format

To place an international call to Guinea-Bissau from abroad, you must follow a specific sequence of numbers. The process involves exiting your local telephone network, entering the international gateway, and then connecting to the Guinean national network. The structure is straightforward: [International Exit Code] + [Country Code 245] + [Subscriber Number]. However, the critical detail lies in the subscriber number's length and structure, which varies between fixed-line and mobile services.

Historically, Guinea-Bissau used a system with separate area codes for landlines, but the country has transitioned to an 8-digit numbering plan for all services. This means that when dialing from overseas, you will not need to use an area code. Instead, you will dial the full 8-digit subscriber number directly after the +245 country code. For example, a mobile number might look like +245 955 123 456, and a fixed-line number like +245 322 123 456. It is crucial to verify the current number of digits, as older numbers may have been migrated or changed.

Fixed-Line vs. Mobile Networks

The distinction between fixed-line and mobile numbers is still relevant for understanding call costs and reliability. Fixed-line services are primarily concentrated in the capital, Bissau, and a few other urban centers, operated by the state-owned company Guiné Telecom. These numbers are less common and often used by government offices, larger businesses, and international organizations. Mobile networks, on the other hand, have proliferated, with providers like MTN and Orange dominating the market. Mobile coverage extends to much of the populated areas, though rural regions may experience intermittent service. When dialing a mobile number, you will always need to include the leading '9' or '5' that typically identifies the mobile network, as part of the 8-digit sequence.

Special Dialing Rules and Call Routing

One of the most common challenges when calling Guinea-Bissau is the potential for routing issues. The country's international gateway has historically been prone to congestion, and calls may occasionally fail to connect or experience poor voice quality. Patience and retry attempts are often necessary. Additionally, there are no special 'toll-free' or premium-rate numbers in the traditional sense that can be dialed from abroad. All numbers within the country are charged at the standard international rate determined by your telecom provider. It is also important to note that while the country code is +245, you must ensure you do not omit the leading zero if you are dialing from within Guinea-Bissau itself. From a local phone, you would dial '0' before the 8-digit number, but from abroad, this '0' is always dropped.

Practical Considerations for Travelers and Businesses

For travelers, the most reliable method of communication is often purchasing a local SIM card upon arrival. This provides a local number, making it easier for residents to return your calls, and offers more affordable data rates for internet-based communication apps. However, for those who prefer to use their home country SIM, international roaming is available but can be prohibitively expensive. For businesses, establishing a reliable communication channel is vital. It is advisable to use Voice over IP (VoIP) services like Skype or WhatsApp, which are widely used in the country, to supplement traditional phone calls. When scheduling calls, be mindful of the time difference, as Guinea-Bissau operates on Greenwich Mean Time (GMT) year-round, without daylight saving time. This makes it convenient for coordination with Europe and Africa but requires careful planning for calls to the Americas.

In recent years, the government has made efforts to liberalize the telecom sector, leading to improved international connectivity through submarine cables. This has significantly enhanced internet and voice call quality, but challenges remain. When dialing, always double-check the number you have obtained, as misdials are common due to the frequent changes in mobile number prefixes. If you are repeatedly unable to connect, consider contacting your service provider, as some carriers may have specific routing agreements that affect connectivity to Guinea-Bissau. Ultimately, a combination of modern VoIP solutions and traditional direct dialing, coupled with a local contact for verification, will ensure the most effective communication with this fascinating West African nation.

❓ Frequently Asked Questions

What is the international calling code for Guinea-Bissau?
The international calling code for Guinea-Bissau is +245. You must dial this after your country's exit code (e.g., 011 from the US, 00 from most European countries) when calling from abroad.
Do I need to dial an area code when calling a mobile phone in Guinea-Bissau?
No, Guinea-Bissau uses a single 8-digit subscriber number plan for both mobile and fixed-line phones. There are no separate area codes. You simply dial +245 followed by the 8-digit number.
Why can't I get through to a number in Guinea-Bissau?
Connection issues can arise due to network congestion on the international gateway, outdated numbers, or routing restrictions from your home country's telecom provider. It's advisable to try multiple times, verify the number with your contact, and consider using VoIP apps as an alternative.
What is the typical length of a phone number in Guinea-Bissau?
All subscriber numbers in Guinea-Bissau are 8 digits long. This applies to both mobile and fixed-line services. When dialing from abroad, you always dial +245 followed by these 8 digits.
Is it cheaper to use a local SIM card when calling Guinea-Bissau?
Yes, purchasing a local SIM card from providers like MTN or Orange upon arrival is generally much cheaper for making local calls and using data. International roaming from other countries can be very expensive.
Does Guinea-Bissau observe Daylight Saving Time?
No, Guinea-Bissau is on Greenwich Mean Time (GMT) all year round and does not observe daylight saving time. This makes time zone calculations straightforward, especially with European countries.
Are there any toll-free numbers I can call in Guinea-Bissau from abroad?
No, there are no traditional toll-free numbers that can be accessed from outside the country. All calls to Guinea-Bissau numbers will be charged at the international rate set by your phone provider.