City of Columbia


443 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).

  • 4438470300 | +1 443-847-0300 Maryland U.S.A.
  • 4438470301 | +1 443-847-0301 Maryland U.S.A.
  • 4438470302 | +1 443-847-0302 Maryland U.S.A.
  • 4438470303 | +1 443-847-0303 Maryland U.S.A.
  • 4438470304 | +1 443-847-0304 Maryland U.S.A.
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  • 4438470309 | +1 443-847-0309 Maryland U.S.A.
  • 4438470310 | +1 443-847-0310 Maryland U.S.A.
  • 4438470311 | +1 443-847-0311 Maryland U.S.A.
  • 4438470312 | +1 443-847-0312 Maryland U.S.A.
  • 4438470313 | +1 443-847-0313 Maryland U.S.A.
  • 4438470314 | +1 443-847-0314 Maryland U.S.A.
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  • 4438470352 | +1 443-847-0352 Maryland U.S.A.
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  • 4438470357 | +1 443-847-0357 Maryland U.S.A.
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  • 4438470359 | +1 443-847-0359 Maryland U.S.A.
  • 4438470360 | +1 443-847-0360 Maryland U.S.A.
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  • 4438470362 | +1 443-847-0362 Maryland U.S.A.
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  • 4438470381 | +1 443-847-0381 Maryland U.S.A.
  • 4438470382 | +1 443-847-0382 Maryland U.S.A.
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  • 4438470399 | +1 443-847-0399 Maryland U.S.A.