Prefix Information

The prefix 403 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-403-0000 through 712-403-9999).

Browse Numbers in This Prefix

712-403-0000-0999 712-403-1000-1999 712-403-2000-2999 712-403-3000-3999 712-403-4000-4999 712-403-5000-5999 712-403-6000-6999 712-403-7000-7999 712-403-8000-8999 712-403-9000-9999

Sample Numbers

(712) 403-0000 (712) 403-1234 (712) 403-2000 (712) 403-3333 (712) 403-4444 (712) 403-5555 (712) 403-6000 (712) 403-7777 (712) 403-8888 (712) 403-9999