Prefix Information

The prefix 556 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-556-0000 through 712-556-9999).

Browse Numbers in This Prefix

712-556-0000-0999 712-556-1000-1999 712-556-2000-2999 712-556-3000-3999 712-556-4000-4999 712-556-5000-5999 712-556-6000-6999 712-556-7000-7999 712-556-8000-8999 712-556-9000-9999

Sample Numbers

(712) 556-0000 (712) 556-1234 (712) 556-2000 (712) 556-3333 (712) 556-4444 (712) 556-5555 (712) 556-6000 (712) 556-7777 (712) 556-8888 (712) 556-9999