Learn more about this area code and exchange and where the caller may be located.
The phone exchange is the three digits after the area code and before the extension. An example is (712) 957-XXXX where 957 is the exchange number. It enables telephone line extensions to be interconnected in a local area based on a specific geographic assignment.
The (712) 957 exchange is located within the 712 area code in Sioux City, IA. It connects landline numbers from the TCA carrier in O'Brien county. Associated zip codes include 51245.
Potentially, callers could keep their phone numbers even if they move away, so a caller may be located in Sioux City, IA or elsewhere. You can use a reverse phone lookup to help find the registered address for a potential caller.