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 (548) 240-XXXX where 240 is the exchange number. It enables telephone line extensions to be interconnected in a local area based on a specific geographic assignment.
The (548) 240 exchange is located within the 548 area code in London, ON. It connects landline numbers from the FiberNet carrier in Middlesex county. Associated zip codes include N0L.
Potentially, callers could keep their phone numbers even if they move away, so a caller may be located in London, ON or elsewhere. You can use a reverse phone lookup to help find the registered address for a potential caller.
People are Saying:
(548) 240-6778 - January 17th, 2026 12:58am
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