Prefix Information

The prefix 406 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-406-0000 through 712-406-9999).

Browse Numbers in This Prefix

712-406-0000-0999 712-406-1000-1999 712-406-2000-2999 712-406-3000-3999 712-406-4000-4999 712-406-5000-5999 712-406-6000-6999 712-406-7000-7999 712-406-8000-8999 712-406-9000-9999

Sample Numbers

(712) 406-0000 (712) 406-1234 (712) 406-2000 (712) 406-3333 (712) 406-4444 (712) 406-5555 (712) 406-6000 (712) 406-7777 (712) 406-8888 (712) 406-9999