Calling Djibouti from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 253 - Country Code for Djibouti
• Phone Number - 8 digits, 2 is the first digit for landlines
• US to Djibouti international dialing format : 011 253 ?? ?? ?? ??

How to dial to Djibouti cellular:

• dialing format for calls to a cell phone: 011 253 77 ?? ?? ??

Phone Books:

• Yellow Pages of Africa - business directory for Djibouti

Updates:

• Djibouti telephone numbering changes - March 2012