🇨🇦 Canada · Ontario

Area code 343

Area code 343 is a telephone area code in Ontario, Canada. Local time is UTC−5 (UTC−4 in summer). Numbers look like (343) 234-5678, or +1 343 234 5678 from abroad.

Province: Ontario
Time zone: Toronto UTC−5 (UTC−4 in summer)
Local time now: –
Dial from abroad: +1 343

How to dial area code 343

Calling from	You dial
Inside the 343 area	343 234 5678 (10 digits)
Elsewhere in the US & Canada	1 343 234 5678
Any mobile phone, anywhere	+1 343 234 5678
UK, Europe, India and most countries	00 1 343 234 5678
Australia	0011 1 343 234 5678

Other area codes in Ontario

226 London 249 Ontario 289 Hamilton, Oshawa 365 Ontario 382 Ontario 416 Toronto, North York 437 Toronto 519 London, Kitchener 548 Ontario 613 Ottawa, Kingston 647 Ontario 683 Ontario 705 Greater Sudbury, Sault Ste. Marie 742 Ontario 753 Ontario 807 Thunder Bay, Kenora 905 Mississauga, Oakville 942 Toronto

Area code 343: FAQ

Where is area code 343?

Area code 343 is in Ontario, Canada.

What time zone is area code 343 in?

Area code 343 is in the America/Toronto time zone (UTC−5 (UTC−4 in summer)).

How do I call a 343 number from outside the US and Canada?

Dial your exit code (00 in most countries, or + on a mobile), then 1, then 343 and the seven-digit number. Example: +1 343 234 5678.

Is a call from area code 343 a scam?

Area code 343 is a regular North American area code, but caller ID can be spoofed: scammers often show local-looking numbers. Do not call back unknown numbers that ask for money or personal data, and check the number with the phone number validator to see whether it is valid and whether it is a mobile, landline or VoIP number.

Phone number API

Check 343 numbers in your app

numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.

Read the documentation

100 free requests every month. No credit card required.

GET https://api.numlookupapi.com/v1/validate/+13432345678

{
  "valid": true,
  "number": "12069220880",
  "local_format": "2069220880",
  "international_format": "+12069220880",
  "country_prefix": "+1",
  "country_code": "US",
  "country_name": "United States of America",
  "location": "Seattle",
  "line_type": "landline",
  "e164_format": "+12069220880",
  "national_format": "(206) 922-0880"
}