Ottawa Inbound International Dialing

Procedure to Dial Ottawa, ON from Any Country

Follow this basic dialing procedure to place an international long-distance call from any country worldwide to a landline or mobile phone number in Ottawa, Ontario.

The procedure outlined below is for direct international dialing from a landline or mobile phone in the home or office.

Additional or different dialing steps may be required when calling Ottawa using calling card or VoIP service.

1. Dial international access code / IDD:   ddd 

Dial your country's international access code (aka international direct dial code or IDD) to initiate a phone call to Ottawa.

Lookup your international access code here.

Note that some mobile operators do not require dialing an IDD and/or allow use of substitute characters (such as '+') in lieu of dialing an IDD. As well, in many cases you don't dial an IDD when using a calling card or VoIP service.

2. Dial Canada country code: + 1 

Dial country code +1 to reach any location in Canada, including Ottawa. Country codes are also known as ISDs or international subscriber dialing codes.

If your Ottawa phone number starts with a ' 1 ' - e.g., 1 613 224 1800, don't add a second ' 1 '. Dial just a single ' 1 ' after the international access code.

3. Dial a 10-digit Ottawa phone number

All Ottawa phone numbers are 10-digits long with two parts:

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

Lookup a Ottawa phone number

Steps to Dial Ottawa from a Specific Country

Follow the links below for country-specific dialing instructions for calling Ottawa landline and mobile phones. These pages include originating country access codes and other information.