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 U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 2037368200 | +1 203-736-8200 Connecticut U.S.A.
  • 2037368201 | +1 203-736-8201 Connecticut U.S.A.
  • 2037368202 | +1 203-736-8202 Connecticut U.S.A.
  • 2037368203 | +1 203-736-8203 Connecticut U.S.A.
  • 2037368204 | +1 203-736-8204 Connecticut U.S.A.
  • 2037368205 | +1 203-736-8205 Connecticut U.S.A.
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  • 2037368299 | +1 203-736-8299 Connecticut U.S.A.