Area code 437

Largest exchanges

• Toronto553

Largest carriers

• Rogers Communications Canada Inc. (Wireless)158
• Bell Mobility139
• TELUS Mobility62
• Iristel Inc.58
• Fido Solutions Inc.47
• Videotron Ltd.45
• TELUS Integrated Communications11
• Fibernetics Corporation10
• Zayo Canada Inc.8
• Rogers Communications Canada Inc. (Cable)7

Most reported 437 numbers

No visitor reports yet in this area code.

FCC complaints

• 437-232-83631 · 2026-10-07
• 437-243-50071 · 2026-10-07
• 437-784-17221 · 2026-10-07
• 437-378-05251 · 2026-10-06