Prefix Information

The prefix 640 is part of area code 571 serving Arlington, Virginia.

This exchange contains 10,000 possible phone numbers (571-640-0000 through 571-640-9999).

Browse Numbers in This Prefix

571-640-0000-0999 571-640-1000-1999 571-640-2000-2999 571-640-3000-3999 571-640-4000-4999 571-640-5000-5999 571-640-6000-6999 571-640-7000-7999 571-640-8000-8999 571-640-9000-9999

Sample Numbers

(571) 640-0000 (571) 640-1234 (571) 640-2000 (571) 640-3333 (571) 640-4444 (571) 640-5555 (571) 640-6000 (571) 640-7777 (571) 640-8888 (571) 640-9999