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).

  • 4108683300 | +1 410-868-3300 Maryland U.S.A.
  • 4108683301 | +1 410-868-3301 Maryland U.S.A.
  • 4108683302 | +1 410-868-3302 Maryland U.S.A.
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  • 4108683310 | +1 410-868-3310 Maryland U.S.A.
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  • 4108683325 | +1 410-868-3325 Maryland U.S.A.
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  • 4108683333 | +1 410-868-3333 Maryland U.S.A.
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  • 4108683375 | +1 410-868-3375 Maryland U.S.A.
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  • 4108683380 | +1 410-868-3380 Maryland U.S.A.
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  • 4108683395 | +1 410-868-3395 Maryland U.S.A.
  • 4108683396 | +1 410-868-3396 Maryland U.S.A.
  • 4108683397 | +1 410-868-3397 Maryland U.S.A.
  • 4108683398 | +1 410-868-3398 Maryland U.S.A.
  • 4108683399 | +1 410-868-3399 Maryland U.S.A.