Exchange 437-828

Toronto, ON · Zayo Canada Inc. · OCN 8304. This is a numbering allocation fact, not subscriber identity.

Area code 437 · Toronto · Zayo Canada Inc.

Thousands ranges

437-828-0xxx · 437-828-1xxx · 437-828-2xxx · 437-828-3xxx · 437-828-4xxx · 437-828-5xxx · 437-828-6xxx · 437-828-7xxx · 437-828-8xxx · 437-828-9xxx