410 Rate Centers & Exchanges
20 rate centers · Maryland · 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 20 rate centers within area code 410.
Rate Center Locations
20 centers in area code 410All Rate Centers in Area Code 410
| Rate Center |
|---|
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Annapolis
|
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Armiger-Gibson Island
|
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Baltimore
|
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Bel Air
|
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Berlin
|
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Catonsville
|
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Columbia
|
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Easton
|
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Elkridge
|
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Elkton
|
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Ellicott City
|
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Essex
|
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Glen Burnie
|
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Ocean City
|
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Pikesville
|
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Reisterstown
|
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Salisbury
|
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Severna Park
|
|
Towson
|
|
Waterloo (Washington DC LATA)
|