Calling Congo Democratic Republic from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 243 - Country Code for Congo Democratic Republic
• Phone Number (may not begin with 0):
  • fixed - 7 digits including area code
  • cell phones - 9 digits
• sample call from US to a landline in Kinshasa: 011 243 1 ??? ???

How to dial to Congo Democratic Republic cellular:

• dialing format for calls to a cell phone: 011 243 8? ??? ???? (or 9? ??? ????)

Area Codes:

Phone Books:

• Yellow Pages of Africa - Congo Dem. Republic business directory