Prefix Information
The prefix 691 is part of area code 202 serving Washington, Washington DC.
This exchange contains 10,000 possible phone numbers (202-691-0000 through 202-691-9999).
Phone numbers with prefix 691 in area code 202. Location: Washington, Washington DC.
The prefix 691 is part of area code 202 serving Washington, Washington DC.
This exchange contains 10,000 possible phone numbers (202-691-0000 through 202-691-9999).