Prefix Information

The prefix 770 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-770-0000 through 712-770-9999).

Browse Numbers in This Prefix

712-770-0000-0999 712-770-1000-1999 712-770-2000-2999 712-770-3000-3999 712-770-4000-4999 712-770-5000-5999 712-770-6000-6999 712-770-7000-7999 712-770-8000-8999 712-770-9000-9999

Sample Numbers

(712) 770-0000 (712) 770-1234 (712) 770-2000 (712) 770-3333 (712) 770-4444 (712) 770-5555 (712) 770-6000 (712) 770-7777 (712) 770-8888 (712) 770-9999