HEATKEYS

Professional search tool to find and investigate people and businesses, research phone numbers and addresses

Musings of a web developer, data journalist, historian, and cat herder from Baltimore.

For data quality management tools, mailing software, consumer and residential mailing lists, address verification, and NCOA services, visit MelissaData.com, a leading source of cost effective, direct marketing database solutions.

Commercial ZIP code database software - Rated #1 - with area code, county, latitude, longitude, MSA, PMSA, FIPS code, and timezone. Updated monthly.

Accurate and up-to-date ZIP code databases and programs with ZIP code related information such as area code, county, latitude, longitude, MSA, PMSA, FIPS code, time zone, and place FIPS. ZIP code data available for immediate download. All ZIP code da...

Make maps from a list of multiple addresses, create a mobile optimized map or locator. Free hosting for your custom interactive map or locator.

Zip codes can be used to locate hotels, restaurants, schools, day care, churches, real estate, shopping, sporting goods stores, sales territories.

Proximity/MESA is a leader in decision support system software, modeling, databases and information technology. This site features free data access, GIS software, on-line data analysis, user support, training, demos, geographic data.

New district matching, data, API and batch address processing and mapping for 113th congressional and new State legislative districts