Calling Gabon from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 241 - Country Code for Gabon
• Phone Number - 8 digits for both landlines and cell phones, the initial digit is zero
• sample call from US to a Gabon landline: 011 241 01 ?? ?? ??

How to dial to Gabon cellular:

• dialing format for calls to a cell phone: 011 241 XY ?? ?? ??
• XY can be 02, 04, 05, 06 or 07

Phone Books:

• Africannuaire - business directory, in French

Updates:

• Gabon telephone numbering changes - June 2012