343 area code
Area code 343 is in Ontario, Canada, in the Eastern time zone. It covers Belleville, Brockville, Carleton Place, Clarence-Rockland, Cornwall, Gananoque and more.
State / Province
Ontario (ON)
Country
Canada
Time zone
Eastern
Current local time
—
Approx. location
44.9552, -76.0872 ↗
How to dial a 343 number
- National format
- (343) 555-0100
- International (E.164)
- +1 343 555 0100
- From abroad
- +1 343 …
Cities & areas in the 343 area code
14 known locations — a selection:
Belleville
Brockville
Carleton Place
Clarence-Rockland
Cornwall
Gananoque
Greater Napanee
Hawkesbury
Kingston
Ottawa
Pembroke
Perth
Renfrew
Smiths Falls
About area code 343
Area code 343 is one of the North American Numbering Plan (NANP) codes serving Ontario. In the NANP a full number looks like +1 (343) NXX-XXXX: the +1 is the country code for Canada and Canada, 343 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.