437 area code
Area code 437 is in Ontario, Canada, in the Eastern time zone. It covers Toronto and more.
State / Province
Ontario (ON)
Country
Canada
Time zone
Eastern
Current local time
—
Approx. location
43.7001, -79.4163 ↗
How to dial a 437 number
- National format
- (437) 555-0100
- International (E.164)
- +1 437 555 0100
- From abroad
- +1 437 …
Cities & areas in the 437 area code
1 known location — a selection:
Toronto
About area code 437
Area code 437 is one of the North American Numbering Plan (NANP) codes serving Ontario. In the NANP a full number looks like +1 (437) NXX-XXXX: the +1 is the country code for Canada and Canada, 437 is the area code, and the remaining seven digits identify the specific line. A call is charged by your own carrier's plan, not by the area code itself.