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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.

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

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

YouTube is a place to discover, watch, upload and share videos.

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

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

Get shipping rates, buy stamps, print postage, track a package, look up a ZIP Code? - Find the mailing products and services you need at USPS.com.

The web's best web development discussion.

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...

The Climate Source, distributor of spatial climate data sets in GIS formats, mobile applications, iPhone precipitation, temperature, dewpoint, relative humidity