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Business Definition for: zip + 4
Dictionary of Marketing Terms
zip + 4
See also nine-digit ZIP code (ZIP+4)
Dictionary of Business Terms
zip + 4

four additional digits added to the five-digit ZIP codes to improve efficiency for business mailers. The first two numbers represent a sector such as a certain group of streets, the last two are a smaller unit such as one floor in an office building. The use of ZIP + 4 is voluntary.

Related Terms:
nine-digit ZIP code (ZIP+4)

extension of the five-digit ZIP code providing the U.S. Postal Service with even more precise destination information to facilitate mail handling. The nine-digit ZIP is based on a system of blockface grids. The first two digits of the added four digits are a sector; the last two digits are a segment within a sector.

The USPS intends the nine-digit ZIP to be used by business mailers, not by individuals, and offers a small discount for its use. Another benefit provided by the nine-digit ZIP is that it can serve as a basis for demographic and psychographic selections from mailing lists.

Copyright c 2000, 1994, 1987 by Barron's Educational Series, Inc. Reprinted by arrangement with Publisher.
 Copyright © 2007, 2000, 1997, 1987, by Barron's Educational Series, Inc. Reprinted by arrangement with Publisher.
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