Prefix Information

The prefix 388 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-388-0000 through 712-388-9999).

Browse Numbers in This Prefix

712-388-0000-0999 712-388-1000-1999 712-388-2000-2999 712-388-3000-3999 712-388-4000-4999 712-388-5000-5999 712-388-6000-6999 712-388-7000-7999 712-388-8000-8999 712-388-9000-9999

Sample Numbers

(712) 388-0000 (712) 388-1234 (712) 388-2000 (712) 388-3333 (712) 388-4444 (712) 388-5555 (712) 388-6000 (712) 388-7777 (712) 388-8888 (712) 388-9999