Prefix Information

The prefix 640 is part of area code 703 serving Arlington, Virginia.

This exchange contains 10,000 possible phone numbers (703-640-0000 through 703-640-9999).

Browse Numbers in This Prefix

703-640-0000-0999 703-640-1000-1999 703-640-2000-2999 703-640-3000-3999 703-640-4000-4999 703-640-5000-5999 703-640-6000-6999 703-640-7000-7999 703-640-8000-8999 703-640-9000-9999

Sample Numbers

(703) 640-0000 (703) 640-1234 (703) 640-2000 (703) 640-3333 (703) 640-4444 (703) 640-5555 (703) 640-6000 (703) 640-7777 (703) 640-8888 (703) 640-9999