CitysDirectory

City of Herndon

240 Area code: Herndon, Fairfax - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 2403039000 | +1 240-303-9000 Maryland U.S.A.
  • 2403039001 | +1 240-303-9001 Maryland U.S.A.
  • 2403039002 | +1 240-303-9002 Maryland U.S.A.
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  • 2403039058 | +1 240-303-9058 Maryland U.S.A.
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  • 2403039060 | +1 240-303-9060 Maryland U.S.A.
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  • 2403039071 | +1 240-303-9071 Maryland U.S.A.
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  • 2403039080 | +1 240-303-9080 Maryland U.S.A.
  • 2403039081 | +1 240-303-9081 Maryland U.S.A.
  • 2403039082 | +1 240-303-9082 Maryland U.S.A.
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  • 2403039098 | +1 240-303-9098 Maryland U.S.A.
  • 2403039099 | +1 240-303-9099 Maryland U.S.A.

    • Complete Phone Number

    e.g. 111-222-3333

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