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This free Canadian phone number checker shows whether a number is valid.

A Canadian phone number checker tells you whether a number is real, which means it follows the Canadian numbering rules and is assigned. Enter a Canadian number above and 1Lookup's free checker returns valid or invalid in seconds, with the line type, carrier and country, checked against live carrier network data.

Country code
+1, shared with the US and 23 other places
Phone numbers
10 digits after +1: a 3-digit area code, a 3-digit exchange and a 4-digit line number
Written at home
(506) 234-5678
Written for apps and SMS
+15062345678
Dialed inside the US and Canada
1 506 234 5678
Dialed from the UK
00 1 506 234 5678
Dialed from Australia
0011 1 506 234 5678

A Canadian phone number is +1 followed by 10 digits, grouped as an area code, an exchange and a line number.

How a Canadian phone number is built

Written with the country code

  1. +1Country code
  2. 506Area code
  3. 234Exchange
  4. 5678Line number

All 10 digits after the +1 count. Canada and the US share +1, so the area code is what tells them apart.

A Canadian phone number checker reads a number's format first and then checks it against live carrier records.

This is the path one check takes. A number can be written correctly and still not be assigned to anyone, so the format check alone is not the answer.

What one Canadian phone number check does
  1. You enter the numberType it the way it is written, such as (506) 234-5678, or paste it with +1.
  2. Its format is checkedA Canadian number needs a 3-digit area code and 7 more digits.
  3. Its carrier record is checkedCanadian numbers are checked against live carrier network data, so the number has to be assigned to a carrier.Nothing is sent to the number, so it never rings and its owner is never told.
  4. You see valid or invalidWith the line type and country in a few seconds, and the carrier or network where one is listed.

A Canadian phone number has 10 digits after +1, in the order area code, exchange and line number.

Canada uses the same plan as the US, so the pattern is the one you know: a 3-digit area code, a 3-digit exchange and a 4-digit line number.

PartDigitsExample
Country code1+1
Area code3506
Exchange3234
Line number45678

Three common mistakes make a Canadian number fail the check, and each one is quick to fix.

  1. A second 1 after the +1 adds a digit.

    The 1 in +1 is the country code, so +1 1 506 234 5678 has one digit too many. Write +1 506 234 5678.

  2. Typing too few or too many digits makes a number invalid.

    A Canadian number needs its 3-digit area code, so write all 10 digits after the +1.

  3. Leaving the wrong country selected changes how the number is read.

    The checker reads the number by the rules of the country selected above. Paste a number with its + and country code and the country is read from the number itself.

These are the questions people ask most about checking Canadian phone numbers.

How do I check if a Canadian phone number is valid?

Enter the number in the box above with Canada selected. The free checker returns valid or invalid in seconds, with the line type, carrier and country. Type it as (506) 234-5678 or in full as +1 506 234 5678.

How many digits is a Canadian phone number?

Ten after the +1: a 3-digit area code, a 3-digit exchange and a 4-digit line number, written (506) 234-5678 in Canada.

Can I tell a Canadian mobile number from a landline by its digits?

No. Mobile and landline numbers share the same area codes in Canada, so the digits alone do not tell them apart. The line type in the result does.

How do I write a Canadian number for an app or an SMS tool?

Use the E.164 form: a plus sign, the 1, then the 10 digits with no spaces or brackets, such as +15062345678.

Does the Canadian phone number checker show the carrier?

Yes, where the network record lists one. Canadian numbers are checked against live carrier network data, so the result names the carrier that holds the number.

Does valid mean the Canadian number is active?

No. Valid means the number is real, correctly written for Canada and assigned. Whether a line is switched on and reachable right now is a different question, and the free HLR lookup answers it.

Can I check a whole list of Canadian phone numbers?

Yes. This free tool checks one number at a time. A 7-day free trial opens CSV upload and the API, at 1 credit a number.

Does the person know I checked their number?

No. The check reads records only. No call or text goes to the number, so its owner is never told.

Sources: Google's libphonenumber numbering data for lengths, mobile starts and landline starts, as of September 24, 2026; the ITU list of country codes.

You can check a whole list of numbers with a 7-day free trial.

This free tool checks one number at a time. A 7-day free trial opens CSV upload and the API, at 1 credit a number.