City of Derby


203 Area code: Derby, New Haven - Landline

Directory Numbers

How to dial a U.S. number internationally:

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  • 2037363300 | +1 203-736-3300 Connecticut U.S.A.
  • 2037363301 | +1 203-736-3301 Connecticut U.S.A.
  • 2037363302 | +1 203-736-3302 Connecticut U.S.A.
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  • 2037363395 | +1 203-736-3395 Connecticut U.S.A.
  • 2037363396 | +1 203-736-3396 Connecticut U.S.A.
  • 2037363397 | +1 203-736-3397 Connecticut U.S.A.
  • 2037363398 | +1 203-736-3398 Connecticut U.S.A.
  • 2037363399 | +1 203-736-3399 Connecticut U.S.A.