Carrier route delivery counts
ZP4 includes the Carrier Route Counts (CRC) database,
which lists counts and delivery statistics for residential and commercial addresses
in 53 different categories
broken down by every carrier route in every ZIP Code™
(over 660,000 records as of June 2013).
CRC data is particularly useful for address saturation computations
and calculating residence versus business probabilities.
Software is also included,
allowing the CRC database to be arbitrarily sorted, sliced, and exported.
Go to the ZP4 home page.
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ZIP Code, Postal Service, and
United States Postal Service. [DA#4.07]