More About Area Code 437

Area Code 437 was first put in service March 25, 2013. Currently, the largest city it serves is Toronto, ON, and it overlaps coverage areas with area codes 416 and 647.

Active Phone Number Prefixes

Prefix	Usage	Primary City	Carrier
(437) 222-	Landline	Toronto	Beanfield Technologies Inc.
(437) 266-	Landline	Toronto	Comwave Networks
(437) 345-	Wireless	Toronto	Telus Mobility
(437) 540-	Wireless	Toronto	Telus Mobility
(437) 580-	Wireless	Toronto	Telus Mobility
(437) 588-	Wireless	Toronto	Telus Mobility
(437) 800-	Landline	Toronto	Iristel Inc.
(437) 836-	Landline	Toronto	Allstream Inc.
(437) 886-	Landline	Toronto	Fibernetics Corporation
(437) 887-	Landline	Toronto	Fibernetics Corporation
(437) 888-	Landline	Toronto	Fibernetics Corporation
(437) 889-	Landline	Toronto	Fibernetics Corporation