Prefix Information

The prefix 603 is part of area code 785 serving Topeka, Kansas.

This exchange contains 10,000 possible phone numbers (785-603-0000 through 785-603-9999).

Browse Numbers in This Prefix

785-603-0000-0999 785-603-1000-1999 785-603-2000-2999 785-603-3000-3999 785-603-4000-4999 785-603-5000-5999 785-603-6000-6999 785-603-7000-7999 785-603-8000-8999 785-603-9000-9999

Sample Numbers

(785) 603-0000 (785) 603-1234 (785) 603-2000 (785) 603-3333 (785) 603-4444 (785) 603-5555 (785) 603-6000 (785) 603-7777 (785) 603-8888 (785) 603-9999