Swashingtondc.7z May 2026

: Datasets from the Interactive Zoning Info System (IZIS) including current zoning regulations and boundary maps.

: Layered information for District Police PSAs , Advisory Neighborhood Commissions (ANCs) , or ZIP code polygons. SwashingtonDC.7z

: Uses the LZMA compression algorithm to significantly reduce the size of large geospatial datasets, making it easier to download and store than standard ZIP files. : Datasets from the Interactive Zoning Info System

While the exact contents depend on the source (e.g., Open Data DC or the Zoning Handbook ), files with this naming convention typically include: Advisory Neighborhood Commissions (ANCs)