Prefix Information

The prefix 661 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-661-0000 through 712-661-9999).

Browse Numbers in This Prefix

712-661-0000-0999 712-661-1000-1999 712-661-2000-2999 712-661-3000-3999 712-661-4000-4999 712-661-5000-5999 712-661-6000-6999 712-661-7000-7999 712-661-8000-8999 712-661-9000-9999

Sample Numbers

(712) 661-0000 (712) 661-1234 (712) 661-2000 (712) 661-3333 (712) 661-4444 (712) 661-5555 (712) 661-6000 (712) 661-7777 (712) 661-8888 (712) 661-9999