Prefix Information

The prefix 866 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-866-0000 through 712-866-9999).

Browse Numbers in This Prefix

712-866-0000-0999 712-866-1000-1999 712-866-2000-2999 712-866-3000-3999 712-866-4000-4999 712-866-5000-5999 712-866-6000-6999 712-866-7000-7999 712-866-8000-8999 712-866-9000-9999

Sample Numbers

(712) 866-0000 (712) 866-1234 (712) 866-2000 (712) 866-3333 (712) 866-4444 (712) 866-5555 (712) 866-6000 (712) 866-7777 (712) 866-8888 (712) 866-9999