City of Derby


203 Area code: Derby, New Haven - Landline

Directory Numbers

How to dial a U.S. number internationally:

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  • Dial the 10-digit phone number (area code + local number).

  • 2037362800 | +1 203-736-2800 Connecticut U.S.A.
  • 2037362801 | +1 203-736-2801 Connecticut U.S.A.
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