Prefix Information

The prefix 603 is part of area code 309 serving Peoria, Illinois.

This exchange contains 10,000 possible phone numbers (309-603-0000 through 309-603-9999).

Browse Numbers in This Prefix

309-603-0000-0999 309-603-1000-1999 309-603-2000-2999 309-603-3000-3999 309-603-4000-4999 309-603-5000-5999 309-603-6000-6999 309-603-7000-7999 309-603-8000-8999 309-603-9000-9999

Sample Numbers

(309) 603-0000 (309) 603-1234 (309) 603-2000 (309) 603-3333 (309) 603-4444 (309) 603-5555 (309) 603-6000 (309) 603-7777 (309) 603-8888 (309) 603-9999