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).

  • 2403350000 | +1 240-335-0000 Maryland U.S.A.
  • 2403350001 | +1 240-335-0001 Maryland U.S.A.
  • 2403350002 | +1 240-335-0002 Maryland U.S.A.
  • 2403350003 | +1 240-335-0003 Maryland U.S.A.
  • 2403350004 | +1 240-335-0004 Maryland U.S.A.
  • 2403350005 | +1 240-335-0005 Maryland U.S.A.
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  • 2403350008 | +1 240-335-0008 Maryland U.S.A.
  • 2403350009 | +1 240-335-0009 Maryland U.S.A.
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  • 2403350059 | +1 240-335-0059 Maryland U.S.A.
  • 2403350060 | +1 240-335-0060 Maryland U.S.A.
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  • 2403350075 | +1 240-335-0075 Maryland U.S.A.
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  • 2403350080 | +1 240-335-0080 Maryland U.S.A.
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  • 2403350098 | +1 240-335-0098 Maryland U.S.A.
  • 2403350099 | +1 240-335-0099 Maryland U.S.A.

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    e.g. 111-222-3333

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