Prefix Information

The prefix 309 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-309-0000 through 712-309-9999).

Browse Numbers in This Prefix

712-309-0000-0999 712-309-1000-1999 712-309-2000-2999 712-309-3000-3999 712-309-4000-4999 712-309-5000-5999 712-309-6000-6999 712-309-7000-7999 712-309-8000-8999 712-309-9000-9999

Sample Numbers

(712) 309-0000 (712) 309-1234 (712) 309-2000 (712) 309-3333 (712) 309-4444 (712) 309-5555 (712) 309-6000 (712) 309-7777 (712) 309-8888 (712) 309-9999