Call Houston from Canada

To make an international call to Houston, TX from Canada, please follow the dialing steps shown below.

Because the United States and Canada both use the same telephone numbering system, dialing a number in the US is the same as dialing another number in Canada. The per minute rates may vary, but the dialing procedure is the same. This applies whether you are calling Houston from Toronto, Montreal, Vancouver, Calgary, Edmonton, or any other Canada location.

When dialing Houston from Canada, it makes no difference whether you are calling from a Canada landline or mobile phone - the dialing procedure is the same (although your rates may vary).

As well, when dialing to the USA, it also doesn't matter if you are calling to a Houston landline phone or a Houston mobile phone - both types of numbers have the same format and the dialing procedure is the same. Again, rates may vary depending on your plan.

If you are using a calling card, prepaid plan, and other types of services, additional or different dialing steps may be required. As well, extra charges may apply beyond per minute rates, especially when calling to mobile phones in United States. Please check with your provider for details.

For further information:

Phone Number Formats to Call Houston from Canada

From Canada, dialing a number in the United States is the same as dialing another number in Canada. This is because the US and Canada both use the same telephone numbering system called the North American Numbering Plan.

As in Canada, all US phone numbers are 10-digits long and include a 3-digit area code and 7-digit local subscriber number. This is true for both mobile phones and landline phones.

Increasingly in the US, the same region may have multiple area codes. Local subscriber numbers are unique within an area code. Please check here for more information on Houston area codes.

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

If the Houston 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 Houston from Canada, you need to dial a phone number formatted as follows:

Call Houston Landline Phone from Canada

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

Call Houston Mobile Phone from Canada

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

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

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Dialing Steps to Call Houston from Canada

To call a Houston landline or mobile phone number from Canada, follow this simple dialing procedure.

1. Dial US country code: + 1 

If your Houston destination phone number starts with a ' 1 ' - e.g., 1 281 454 8180, then this serves as the country code. Don't dial ' 1 ' twice.

2. Dial a 10-digit Houston phone number

To reach a Houston landline number or a Houston mobile phone, dial a 10-digit number as follows:

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

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

Some common Houston area codes are: 281 , 713 , and 832 . List of Houston area codes

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