City of Columbia


410 Area code: Columbia, Howard - Wireless

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).

  • 4106931200 | +1 410-693-1200 Maryland U.S.A.
  • 4106931201 | +1 410-693-1201 Maryland U.S.A.
  • 4106931202 | +1 410-693-1202 Maryland U.S.A.
  • 4106931203 | +1 410-693-1203 Maryland U.S.A.
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  • 4106931211 | +1 410-693-1211 Maryland U.S.A.
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