548 Area Code
Ontario, Canada
Local time now · Eastern Time
3:42 AM
Area code 548 is in Ontario, Canada, serving London, Windsor and Guelph. It uses Eastern Time — the time there now is 3:42 AM. 226, 382 and 519 are overlays for the same area, so local calls need 10-digit dialing. In service since 2016.
| Area code | 548 |
|---|---|
| Location | Ontario, Canada |
| Major cities | London, Windsor, Guelph |
| Time zone | Eastern Time |
| Overlay codes | 226, 382, 519 |
| In service since | 2016 |
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Frequently asked questions
Where is area code 548?
Ontario, Canada — including London, Windsor and Guelph.
What time zone is area code 548?
Eastern Time.
How do I call a 548 number from abroad?
Dial your international access code, then 1 (the country code), then 548 and the 7-digit number — for example +1 548 555 0100. From the UK or India dial 00 1 548 …; from Bangladesh 00 1 548 … .
Is a call from 548 a scam?
Not by itself — 548 is an ordinary geographic area code in Ontario. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.
Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.