Prefix Information

The prefix 664 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-664-0000 through 712-664-9999).

Browse Numbers in This Prefix

712-664-0000-0999 712-664-1000-1999 712-664-2000-2999 712-664-3000-3999 712-664-4000-4999 712-664-5000-5999 712-664-6000-6999 712-664-7000-7999 712-664-8000-8999 712-664-9000-9999

Sample Numbers

(712) 664-0000 (712) 664-1234 (712) 664-2000 (712) 664-3333 (712) 664-4444 (712) 664-5555 (712) 664-6000 (712) 664-7777 (712) 664-8888 (712) 664-9999