Prefix Information

The prefix 503 is part of area code 878 serving Pittsburgh, Pennsylvania.

This exchange contains 10,000 possible phone numbers (878-503-0000 through 878-503-9999).

Browse Numbers in This Prefix

878-503-0000-0999 878-503-1000-1999 878-503-2000-2999 878-503-3000-3999 878-503-4000-4999 878-503-5000-5999 878-503-6000-6999 878-503-7000-7999 878-503-8000-8999 878-503-9000-9999

Sample Numbers

(878) 503-0000 (878) 503-1234 (878) 503-2000 (878) 503-3333 (878) 503-4444 (878) 503-5555 (878) 503-6000 (878) 503-7777 (878) 503-8888 (878) 503-9999