Prefix Information

The prefix 278 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-278-0000 through 712-278-9999).

Browse Numbers in This Prefix

712-278-0000-0999 712-278-1000-1999 712-278-2000-2999 712-278-3000-3999 712-278-4000-4999 712-278-5000-5999 712-278-6000-6999 712-278-7000-7999 712-278-8000-8999 712-278-9000-9999

Sample Numbers

(712) 278-0000 (712) 278-1234 (712) 278-2000 (712) 278-3333 (712) 278-4444 (712) 278-5555 (712) 278-6000 (712) 278-7777 (712) 278-8888 (712) 278-9999