437 Rate Centers & Exchanges
1 rate centers · Ontario · Eastern Time
A rate center is the geographic unit used by phone carriers to determine local calling areas and billing. Each rate center has a specific name and set of NXX exchanges (the 3-digit prefix after the area code) assigned to it. The map below shows the 1 rate centers within area code 437.
Rate Center Locations
1 centers in area code 437All Rate Centers in Area Code 437
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Toronto
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