City of Columbia


301 Area code: Columbia, Howard - 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).

  • 3015962000 | +1 301-596-2000 Maryland U.S.A.
  • 3015962001 | +1 301-596-2001 Maryland U.S.A.
  • 3015962002 | +1 301-596-2002 Maryland U.S.A.
  • 3015962003 | +1 301-596-2003 Maryland U.S.A.
  • 3015962004 | +1 301-596-2004 Maryland U.S.A.
  • 3015962005 | +1 301-596-2005 Maryland U.S.A.
  • 3015962006 | +1 301-596-2006 Maryland U.S.A.
  • 3015962007 | +1 301-596-2007 Maryland U.S.A.
  • 3015962008 | +1 301-596-2008 Maryland U.S.A.
  • 3015962009 | +1 301-596-2009 Maryland U.S.A.
  • 3015962010 | +1 301-596-2010 Maryland U.S.A.
  • 3015962011 | +1 301-596-2011 Maryland U.S.A.
  • 3015962012 | +1 301-596-2012 Maryland U.S.A.
  • 3015962013 | +1 301-596-2013 Maryland U.S.A.
  • 3015962014 | +1 301-596-2014 Maryland U.S.A.
  • 3015962015 | +1 301-596-2015 Maryland U.S.A.
  • 3015962016 | +1 301-596-2016 Maryland U.S.A.
  • 3015962017 | +1 301-596-2017 Maryland U.S.A.
  • 3015962018 | +1 301-596-2018 Maryland U.S.A.
  • 3015962019 | +1 301-596-2019 Maryland U.S.A.
  • 3015962020 | +1 301-596-2020 Maryland U.S.A.
  • 3015962021 | +1 301-596-2021 Maryland U.S.A.
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