Prefix Information

The prefix 811 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-811-0000 through 712-811-9999).

Browse Numbers in This Prefix

712-811-0000-0999 712-811-1000-1999 712-811-2000-2999 712-811-3000-3999 712-811-4000-4999 712-811-5000-5999 712-811-6000-6999 712-811-7000-7999 712-811-8000-8999 712-811-9000-9999

Sample Numbers

(712) 811-0000 (712) 811-1234 (712) 811-2000 (712) 811-3333 (712) 811-4444 (712) 811-5555 (712) 811-6000 (712) 811-7777 (712) 811-8888 (712) 811-9999