Calling Madagascar from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 261 - Country Code for Madagascar
• Phone Number (may not begin with 0):
  • fixed - 9 digits, comprises 20 (carrier code) + area code + local number
  • cell phones - 9 digits
• sample call from US to a landline in Antanarivo: 011 261 20 22 ??? ??

How to dial to Madagascar cellular:

• dialing format for calls to a cell phone: 011 261 3? ?? ??? ??

Area Codes:

Phone Books:

• Annumada Annuaire de Madagascar - people and business directory