Prefix Information

The prefix 640 is part of area code 255 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (255-640-0000 through 255-640-9999).

Browse Numbers in This Prefix

255-640-0000-0999 255-640-1000-1999 255-640-2000-2999 255-640-3000-3999 255-640-4000-4999 255-640-5000-5999 255-640-6000-6999 255-640-7000-7999 255-640-8000-8999 255-640-9000-9999

Sample Numbers

(255) 640-0000 (255) 640-1234 (255) 640-2000 (255) 640-3333 (255) 640-4444 (255) 640-5555 (255) 640-6000 (255) 640-7777 (255) 640-8888 (255) 640-9999