Datasets

2 datasets

Fairfax County

Post Offices

This layer contains the location of post offices within Fairfax County. These would be common place locations within the County.Contact: Fairfax County Department of Information Technology GIS DivisionData…

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Updated Oct 8, 2026

Prince William County

Zip Codes

This polygon feature class contains Zip Code boundaries within Prince William County, VA. This data is updated as needed (e.g. when contacted by USPS or a zip code boundary is changed.)

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Updated Oct 11, 2026