Prefix Information

The prefix 640 is part of area code 878 serving Pittsburgh, Pennsylvania.

This exchange contains 10,000 possible phone numbers (878-640-0000 through 878-640-9999).

Browse Numbers in This Prefix

878-640-0000-0999 878-640-1000-1999 878-640-2000-2999 878-640-3000-3999 878-640-4000-4999 878-640-5000-5999 878-640-6000-6999 878-640-7000-7999 878-640-8000-8999 878-640-9000-9999

Sample Numbers

(878) 640-0000 (878) 640-1234 (878) 640-2000 (878) 640-3333 (878) 640-4444 (878) 640-5555 (878) 640-6000 (878) 640-7777 (878) 640-8888 (878) 640-9999