Prefix Information

The prefix 657 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-657-0000 through 712-657-9999).

Browse Numbers in This Prefix

712-657-0000-0999 712-657-1000-1999 712-657-2000-2999 712-657-3000-3999 712-657-4000-4999 712-657-5000-5999 712-657-6000-6999 712-657-7000-7999 712-657-8000-8999 712-657-9000-9999

Sample Numbers

(712) 657-0000 (712) 657-1234 (712) 657-2000 (712) 657-3333 (712) 657-4444 (712) 657-5555 (712) 657-6000 (712) 657-7777 (712) 657-8888 (712) 657-9999