617 Rate Centers & Exchanges
16 rate centers · Massachusetts · 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 16 rate centers within area code 617.
Rate Center Locations
16 centers in area code 617All Rate Centers in Area Code 617
| Rate Center |
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Boston
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Brighton
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Brookline
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Cambridge
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Charlestown
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Chelsea
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Dedham
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Dorchester
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Everett
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Hyde Park
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Milton
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Newton
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Roxbury
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Saugus
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Somerville
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Watertown
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