Calling Armenia from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 374 - Country Code for Armenia
• Phone Number (may not begin with 0):
  • 8 digits for both fixed lines and cell phones
  • VoIP numbers are also 8 digit and start with digits 60
• sample call from US to a landline in Yerevan: 011 374 10 ??? ???

How to dial to Armenia cellular:

• dialing format for calls to a cell phone: 011 374 X? ??? ???
• X can be 4, 5, 7, 8 or 9

Area Codes:

*Different carriers in Yerevan use different area codes. Area code 10 is the most widely used for landlines.

Phone Books:

• SPYUR - Armenian Yellow Pages and business directory