Prefix Information

The prefix 640 is part of area code 821 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (821-640-0000 through 821-640-9999).

Browse Numbers in This Prefix

821-640-0000-0999 821-640-1000-1999 821-640-2000-2999 821-640-3000-3999 821-640-4000-4999 821-640-5000-5999 821-640-6000-6999 821-640-7000-7999 821-640-8000-8999 821-640-9000-9999

Sample Numbers

(821) 640-0000 (821) 640-1234 (821) 640-2000 (821) 640-3333 (821) 640-4444 (821) 640-5555 (821) 640-6000 (821) 640-7777 (821) 640-8888 (821) 640-9999