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 (630) 604-XXXX where 604 is the exchange number. It enables telephone line extensions to be interconnected in a local area based on a specific geographic assignment.
The (630) 604 exchange is located within the 630 area code in Chicago, IL. It connects landline numbers from the Neutral Tandem carrier in DuPage county. Associated zip codes include 60555.
Potentially, callers could keep their phone numbers even if they move away, so a caller may be located in Chicago, IL or elsewhere. You can use a reverse phone lookup to help find the registered address for a potential caller.