Dataset: 2025 U.S. Census Bureau Gazetteer — ZIP Code Tabulation Areas
Source: https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2025_Gazetteer/2025_Gaz_zcta_national.zip
Record layout: https://www.census.gov/programs-surveys/geography/technical-documentation/records-layout/gaz-record-layouts/gaz25-record-layouts.html
Transformation: select New Jersey ZCTAs; map GEOID to INTPTLAT/INTPTLONG; round each coordinate to three decimal places; serialize as JSON.
Imported: September 2026
Output SHA-256: dd2da8941a57ee627b2b1bc49481d0f4720eb009f74b1856d0cb5fdc5bf16fa9
Note: ZCTAs are Census statistical areas that approximate, but are not identical to, USPS ZIP Code delivery areas.