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ZIP Code Databases

ZIP Code Database
ZIP+4 Address Database
ZIP+4 with Latitude & Longitude

Demographics, Census, Geography

Rural, Urban, Suburban by ZIP Code
Census Demographics by ZIP Code
Parent ZIP to Census Demographics

Congressional Districts, Representatives

Congressional Districts By ZIP Code
ZIP+4 Congressional Districts
State Legislative Districts by ZIP Code

Statistical Areas, Insurance, Healthcare

CBSA Codes Database
CBSA Codes with MSA Codes Database
Medicare CBSA Codes
Healthcare Coverage By ZIP Code

Area Codes, Time Zones, Telecom

Area Codes Plus Time Zones
Area Codes, Time Zones, & Rate Centers
Area Codes, Time Zones, Rate Centers, Operating Co.
Multiple Area Codes by ZIP Code

County, City Granularity

Counties by ZIP Code
Alternate City Names Database
City Latitude and Longitude
Counties by ZIP+4 Database