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Our mission at STS is to provide the highest quality marketing research sampling services at a competitive price, and to ensure each and every client is completely satisfied.

Online Reverse Lookup Directory contains list of useful websites for reverse lookup services listed under their respective relevant categories.

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Address Based Sampling Sample Frame consisting of 135 million residential addresses providing nearly 100% coverage of all households. Frames can be defined by Census or Postal geography, from National down to Census Block. Telephone Samples Separate...

Arbitron Inc. is a media and marketing research firm serving the media as well as advertisers and advertising agencies in the United States. Arbitron

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...

The Federal Communications Commission (FCC) is an independent US government agency, directly responsible to Congress, and regulates interstate and international communications by radio, television, wire, satellite and cable. FCC website resources inc...