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).

  • 2403619100 | +1 240-361-9100 Maryland U.S.A.
  • 2403619101 | +1 240-361-9101 Maryland U.S.A.
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  • 2403619158 | +1 240-361-9158 Maryland U.S.A.
  • 2403619159 | +1 240-361-9159 Maryland U.S.A.
  • 2403619160 | +1 240-361-9160 Maryland U.S.A.
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  • 2403619170 | +1 240-361-9170 Maryland U.S.A.
  • 2403619171 | +1 240-361-9171 Maryland U.S.A.
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  • 2403619174 | +1 240-361-9174 Maryland U.S.A.
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  • 2403619180 | +1 240-361-9180 Maryland U.S.A.
  • 2403619181 | +1 240-361-9181 Maryland U.S.A.
  • 2403619182 | +1 240-361-9182 Maryland U.S.A.
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  • 2403619198 | +1 240-361-9198 Maryland U.S.A.
  • 2403619199 | +1 240-361-9199 Maryland U.S.A.

    • Complete Phone Number

    e.g. 111-222-3333

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