Prefix Information

The prefix 670 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-670-0000 through 712-670-9999).

Browse Numbers in This Prefix

712-670-0000-0999 712-670-1000-1999 712-670-2000-2999 712-670-3000-3999 712-670-4000-4999 712-670-5000-5999 712-670-6000-6999 712-670-7000-7999 712-670-8000-8999 712-670-9000-9999

Sample Numbers

(712) 670-0000 (712) 670-1234 (712) 670-2000 (712) 670-3333 (712) 670-4444 (712) 670-5555 (712) 670-6000 (712) 670-7777 (712) 670-8888 (712) 670-9999