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Data Hygiene.
Solutions to help you maintain accuracy and deliverability throughout your consumer and business database.



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Like it or not, your database is constantly changing. About 16% of the U.S. population changes address each year, according to the U.S. Census Bureau. Without a regular program for address updating, these movers will eventually disappear from your file.

As data ages the power and vitality of your database drains away. Statistics become misleading and promotions become less targeted and less effective. If you fail to keep up, your direct marketing will perform poorly. The solution is to regularly refresh and clean your database, so your campaigns are based on deliverable addresses and accurate data.

OnePass: Change of Address Processing
NCOALinkTM
The next generation of change of address software, has replaced the NCOA service to provide change of address information. The USPS® has used new secure data storage technology to develop and implement NCOALinkTM. This new technology is designed to protect the privacy of consumers who file a change of address with the United States Postal Service®. As a full service licensee, we receive the full 48 months of Change of Address information from the USPS®.

infoUSA Change of Address (iCOA)
iCOA is a proprietary database compiled from a variety of commercial sources. iCOA contains only individual consumer moves (requiring a match of both first and last names to find additional forwarding addresses). Used as a supplement to NCOALinkTM, iCOA often supplies move information that NCOALinkTM is unable to provide.*

OnePass: Address Verification & Improvement
ZIP + 4®
infoUSA combines two CASS Certified software programs to provide increased coding levels. Standardizes business and consumer addresses, and applies ZIP + 4® codes and carrier route codes.

DPV
Evaluates the accuracy of addresses by matching them against a file of "official" USPS® deliverable addresses. Records that match DPV are complete, correct and should be deliverable. This is required as preliminary step for DSF2 processing.

DSF2
Differentiates residential and business addresses; identifies addresses that have been vacant for 90 days and locates seasonal/educational addresses and commercial mail receiving agencies. Supplies the walk-sequence numbers that are needed to qualify for discounted High Density and Saturation postage rates.

LACSLinkTM
Identifies addresses that have undergone a change to facilitate 911 Emergency Systems and substitutes the converted street version of the address. LACSLinkTM also includes renamed and renumbered existing city-style addresses.

OnePass Address Correction (OPAC)
Our proprietary address correction service. Records that can't be ZIP + 4® coded are passed against infoUSA's consumer file and missing address information is appended to the record.

 Call us at 888.322.5323 or for more information, contact us.
* USPS is not a source for iCOA. Donnelley Marketing is a non-exclusive Full Service Provider licensee of the U.S. Postal Service® for NCOALinkTM, DSF2, and LACSLinkTM processing. The following trademarks are owned by the United States Postal Service®: NCOALinkTM, LACSLinkTM, DSF2, ZIP + 4®, DPV, CASS Certified, USPS, United States Postal Service and U.S. Postal Service. AD# 9.06

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