Area Code 942 – Toronto, ON
The phone area code for Toronto, ON is 942 (international format +1942). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 942
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Toronto, ON
Overview of Area Code 942
Area code 942 is a geographic North American Numbering Plan Area (NPA) code assigned to the city of Toronto, Ontario, Canada. It is an overlay code for the existing 416, 647, and 437 area codes, serving the same geographic region. As part of the North American Numbering Plan (NANP), the country calling code is +1, and the area code is followed by a seven-digit local number.
Geographic Coverage and Administration
The 942 area code covers the entirety of Toronto, the provincial capital of Ontario and Canada's largest city. This includes all downtown neighborhoods, suburban districts, and surrounding municipalities within the City of Toronto. The region is administered by the Canadian Numbering Administrator (CNA) under the regulatory oversight of the Canadian Radio-television and Telecommunications Commission (CRTC). The introduction of 942 ensures a continued supply of telephone numbers for Toronto's growing demand, including residential, business, and mobile services.
Dialing Formats and Instructions
For local callers within the Toronto overlay region, all calls must be dialed using the full 10-digit format: area code + seven-digit local number. For example, to call a Toronto number, you would dial 942-XXX-XXXX (or 416/647/437-XXX-XXXX). For callers from outside Toronto but within Canada or the United States, dial 1-942-XXX-XXXX. International callers should dial +1-942-XXX-XXXX.
Overlay Considerations
As an overlay, 942 does not require a change to existing numbers in 416, 647, or 437. All numbers within the overlay share the same local calling area, and local calls are not subject to long-distance charges. However, callers must be aware that ten-digit dialing is mandatory for all local calls, even within the same area code. This is a crucial detail for both residents and businesses to avoid misdialed calls.
Services and Usage
The 942 area code is used for a variety of services, including landlines, VoIP, and mobile numbers. It is not dedicated to any specific type of service, and number portability allows customers to retain their numbers when switching providers. For businesses, having a Toronto-based number enhances local presence and customer trust. For callers, understanding the dialing rules ensures seamless connectivity with Toronto's diverse economic and cultural hubs.