NPA - 437 Ontario (ON)

The 437 Area Code is located in the state of Ontario. Area Code 437 is one of the 312 three-digit telephone area codes in the USA. It covers roughly 7,622 unique phone numbers near the cities of Toronto.

There are a few special area codes with the last two digits 422 match, these are known as easily recognizable codes (ERCs). The 8xx set of numbers are reserved for toll-free services and communication.

Those numbers can be found in the following cities or locations: Ontario (ON).

1. AreaCodes Directory
2. 437

437 Stats:

Cities in area code 437:

Toronto

Related phone operators in Area Code 437:

Allstream Inc., Beanfield Technologies Inc., Comwave Networks, Fibernetics Corporation, Iristel Inc., TELUS Mobility.