Prefix Information

The prefix 440 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-440-0000 through 712-440-9999).

Browse Numbers in This Prefix

712-440-0000-0999 712-440-1000-1999 712-440-2000-2999 712-440-3000-3999 712-440-4000-4999 712-440-5000-5999 712-440-6000-6999 712-440-7000-7999 712-440-8000-8999 712-440-9000-9999

Sample Numbers

(712) 440-0000 (712) 440-1234 (712) 440-2000 (712) 440-3333 (712) 440-4444 (712) 440-5555 (712) 440-6000 (712) 440-7777 (712) 440-8888 (712) 440-9999