HEATKEYS

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.

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

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

Find latitude and longitude of any known location by clicking it on a map or entering zip codes or addresses. Batch geocode a list of locations. Convert decimal degrees to degrees minutes seconds and vice versa.

A simple yet modern discussion forum for land surveyors.

SmartyStreets is the leading mailing list software and address hygiene services provider. We provide on-demand USPS CASS Scrubbing and postal address verification, validation, certification, and standardization services that are CASS-Certified(TM) by...

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

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