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Metro Washington Council of Governments

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MW COG Metro Washington Council of Governments

Metropolitan Washington Council of Governments unit numbering system. This system gives individual numeric values based for each major jurisdiction involved in MWCOG. After September 11, 2001 the grander discussion of Mutual Aid in a large scale was discussed, after, several surrounding jurisdiction voluntary showed up to the Pentagon on the day of September 11, 2001, and following days. With this, came many Departments and Companies having the same exact identifiers. This brought to the fore-front the necessity to have each jurisdiction have a pre-fix number(s), not only allowing, CADD based operations fuller flushing out, without additional notes, but allowed spoken word reduction to 1 to 2 spoken numbers down from spoken county/jurisdictional names i.e. MWAA or Metro Washington Airport Authority to just t-h-r-e-e.

Jurisdictional Pre-Fix Number

  • 0 – Washington, DC
  • 1 – Arlington County
  • 2 – City of Alexandria
  • 3 – Metro Washington Airport Authority
  • 4 – Fairfax County
  • 5 – Prince William County
  • 6 – Loudoun County
  • 7 – Montgomery County
  • 8 – Prince George’s County
  • 9 – Frederick County
  • 10 - Charles County