CitysDirectory

City of Herndon

240 Area code: Herndon, Fairfax - 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).

  • 2402220000 | +1 240-222-0000 Maryland U.S.A.
  • 2402220001 | +1 240-222-0001 Maryland U.S.A.
  • 2402220002 | +1 240-222-0002 Maryland U.S.A.
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  • 2402220075 | +1 240-222-0075 Maryland U.S.A.
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  • 2402220080 | +1 240-222-0080 Maryland U.S.A.
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  • 2402220083 | +1 240-222-0083 Maryland U.S.A.
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  • 2402220098 | +1 240-222-0098 Maryland U.S.A.
  • 2402220099 | +1 240-222-0099 Maryland U.S.A.

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