Prefix Information

The prefix 256 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-256-0000 through 712-256-9999).

Browse Numbers in This Prefix

712-256-0000-0999 712-256-1000-1999 712-256-2000-2999 712-256-3000-3999 712-256-4000-4999 712-256-5000-5999 712-256-6000-6999 712-256-7000-7999 712-256-8000-8999 712-256-9000-9999

Sample Numbers

(712) 256-0000 (712) 256-1234 (712) 256-2000 (712) 256-3333 (712) 256-4444 (712) 256-5555 (712) 256-6000 (712) 256-7777 (712) 256-8888 (712) 256-9999