475 Rate Centers & Exchanges
10 rate centers · Connecticut · 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 10 rate centers within area code 475.
Rate Center Locations
10 centers in area code 475All Rate Centers in Area Code 475
| Rate Center |
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Ansonia-Derby
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Danbury
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Greenwich
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Guilford
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Huntington
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New Haven
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Newtown
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Old Greenwich
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Seymour
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Stamford
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