Telephone Area 712. Page 6.
Prefix: +1712
This prefix is distributed within the state Iowa
The largest city in the region is Sioux City
Time Zone: Central
Winter time: UTC-6
Summer time: UTC-5
Below on the map, there is indicated the largest city in the telephone area +1-712-...-.... Iowa Sioux City.
In the United States, telephone numbers are divided into a country code (+1), an area code (or prefix), which is three digits long, and a subscriber number (seven digits). These are just a few examples, and there are over 300 area codes in the United States. Each code can cover both large cities and less populated areas depending on population density and telephone network distribution.
Phone numbers +1-712-YYY-YYYY
| Company | District | Major City | Prefix |
|---|---|---|---|
| Alliance Communications Cooperative (baltic) | Sioux | Rock Valley, IA | +1-712982-SSSS |
| Qwest Corporation | Lyon | Inwood, IA | +1-712986-SSSS |
| Coon Rapids Municipal Utility | Carroll | Coon Rapids, IA | +1-712999-SSSS |
