742 Rate Centers & Exchanges
14 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 14 rate centers within area code 742.
Rate Center Locations
14 centers in area code 742All Rate Centers in Area Code 742
| Rate Center |
|---|
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Ajax-Pickering
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Burlington
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Caledon East
|
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Hamilton
|
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Markham
|
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Niagara Falls
|
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Nobleton
|
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Oshawa
|
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Richmond Hill
|
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St Catharines-Thorold
|
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Streetsville
|
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Sutton
|
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Unionville
|
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Whitby
|