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 (641) 635-XXXX where 635 is the exchange number. It enables telephone line extensions to be interconnected in a local area based on a specific geographic assignment.
The (641) 635 exchange is located within the 641 area code in Ottumwa, IA. It connects landline numbers from the Windstream carrier in Keokuk county. Associated zip codes include 52231.
Potentially, callers could keep their phone numbers even if they move away, so a caller may be located in Ottumwa, IA or elsewhere. You can use a reverse phone lookup to help find the registered address for a potential caller.
People are Saying:
(641) 635-8468 - April 3rd, 2026 11:34pm
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