Call Ottawa from the United Kingdom

To make an international call to Ottawa, ON from the UK, please follow the dialing steps shown below.

Because Canada phone numbers are highly standardized, dialing Canada phone numbers is easy - and the same international dialing procedure applies whether you are calling Ottawa from London, Leeds, Glasgow, Birmingham, Manchester, Scotland, Wales, or any other UK location.

When dialing Ottawa from the UK, it makes no difference whether you are calling from a UK landline or mobile phone - the dialing procedure is the same (although you should double check with your carrier to confirm that your plan allows international calls and that no special charges apply).

As well, when dialing, it also doesn't matter if you are calling to a Ottawa landline phone or a Ottawa mobile phone - both have the same format and the procedure is the same.

However, please note that for some calling cards, prepaid plans, and other service plans, extra charges may apply when calling to mobile phones in Canada. Please check with your provider for details.

For further information:

Phone Number Formats to Call Ottawa from the UK

In Canada, phone number formats are highly standardized with no variation across the country. As well, landline and mobile phone numbers are formatted exactly the same. It is not possible to tell, simply by looking at a Canadian phone number, whether it is a mobile or landline number - and it doesn't matter for dialing purposes.

All Canada phone numbers are 10-digits long and include a 3-digit area code and 7-digit local subscriber number. Increasingly, the same region may have multiple area codes. Local subscriber numbers are unique within an area code. Please check here for more information on Ottawa area codes.

Canada phone numbers may be written to include a leading ' 1 '. This ' 1 ' can serve as either the Canada country code for inbound international calls or as a national direct code for national long distance dialing in Canada.

If the Ottawa phone number you have does not contain the full 10-digit phone number, then you'll need to double check to find the correct number.

To make an international phone call to Ottawa from the United Kingdom, you need to dial a 10-digit phone number formatted as follows:

Call Ottawa Landline Phone from the UK

00  1   aaa  nnn nnnn
international
access code		 country
code		 3-digit
area code		 7-digit
landline number

Call Ottawa Mobile Phone from the UK

00  1   aaa  nnn nnnn
international
access code		 country
code		 3-digit
area code		 7-digit
mobile number

Click here for more on Ottawa landline vs. mobile phone numbers.

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Dialing Steps to Call Ottawa from the UK

To call a Ottawa landline or mobile phone number from the United Kingdom, follow this dialing procedure.

1. Dial UK int'l access code / IDD:  00

Note that some mobile operators may not require you to dial an IDD and/or may allow use of substitute characters (such as '+') in lieu of an IDD.

2. Dial Canada country code: + 1 

If your Ottawa destination phone number starts with a ' 1 ' - e.g., 1 613 454 8180, then this serves as the country code. Don't dial ' 1 ' twice.

3. For both landline and mobile numbers, dial a 10-digit Ottawa phone number as follows:

a. Dial a 3-digit Ottawa area code:  aaa 

b. Dial a 7-digit local subscriber number: nnn nnnn

The main Ottawa area codes are 613, 343, 819 - more Ottawa area codes

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