Prefix Information

The prefix 678 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-678-0000 through 712-678-9999).

Browse Numbers in This Prefix

712-678-0000-0999 712-678-1000-1999 712-678-2000-2999 712-678-3000-3999 712-678-4000-4999 712-678-5000-5999 712-678-6000-6999 712-678-7000-7999 712-678-8000-8999 712-678-9000-9999

Sample Numbers

(712) 678-0000 (712) 678-1234 (712) 678-2000 (712) 678-3333 (712) 678-4444 (712) 678-5555 (712) 678-6000 (712) 678-7777 (712) 678-8888 (712) 678-9999