Prefix Information

The prefix 203 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-203-0000 through 712-203-9999).

Browse Numbers in This Prefix

712-203-0000-0999 712-203-1000-1999 712-203-2000-2999 712-203-3000-3999 712-203-4000-4999 712-203-5000-5999 712-203-6000-6999 712-203-7000-7999 712-203-8000-8999 712-203-9000-9999

Sample Numbers

(712) 203-0000 (712) 203-1234 (712) 203-2000 (712) 203-3333 (712) 203-4444 (712) 203-5555 (712) 203-6000 (712) 203-7777 (712) 203-8888 (712) 203-9999