Prefix Information

The prefix 604 is part of area code 878 serving Pittsburgh, Pennsylvania.

This exchange contains 10,000 possible phone numbers (878-604-0000 through 878-604-9999).

Browse Numbers in This Prefix

878-604-0000-0999 878-604-1000-1999 878-604-2000-2999 878-604-3000-3999 878-604-4000-4999 878-604-5000-5999 878-604-6000-6999 878-604-7000-7999 878-604-8000-8999 878-604-9000-9999

Sample Numbers

(878) 604-0000 (878) 604-1234 (878) 604-2000 (878) 604-3333 (878) 604-4444 (878) 604-5555 (878) 604-6000 (878) 604-7777 (878) 604-8888 (878) 604-9999