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).

  • 4438478300 | +1 443-847-8300 Maryland U.S.A.
  • 4438478301 | +1 443-847-8301 Maryland U.S.A.
  • 4438478302 | +1 443-847-8302 Maryland U.S.A.
  • 4438478303 | +1 443-847-8303 Maryland U.S.A.
  • 4438478304 | +1 443-847-8304 Maryland U.S.A.
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  • 4438478307 | +1 443-847-8307 Maryland U.S.A.
  • 4438478308 | +1 443-847-8308 Maryland U.S.A.
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  • 4438478310 | +1 443-847-8310 Maryland U.S.A.
  • 4438478311 | +1 443-847-8311 Maryland U.S.A.
  • 4438478312 | +1 443-847-8312 Maryland U.S.A.
  • 4438478313 | +1 443-847-8313 Maryland U.S.A.
  • 4438478314 | +1 443-847-8314 Maryland U.S.A.
  • 4438478315 | +1 443-847-8315 Maryland U.S.A.
  • 4438478316 | +1 443-847-8316 Maryland U.S.A.
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  • 4438478318 | +1 443-847-8318 Maryland U.S.A.
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  • 4438478333 | +1 443-847-8333 Maryland U.S.A.
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  • 4438478399 | +1 443-847-8399 Maryland U.S.A.