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A standardized address is one that is fully spelled out, or that is abbreviated by using the Postal Service standard abbreviations as shown in Publication 28 or in the current Postal Service ZIP+4 file.The address block on a mailpiece specifies the location to which the mailpiece is to be ...
character sub-strings and phrases. It also abbreviates directional indicators and street types according to the abbreviation mappings found in address_constants. If applicable, line 2 address elements (ie: Apt, Unit) are separated from line 1 inputs and standard occupancy type abbreviations are ...
The USPS maintains a list of proper abbreviations.[167] The format of a return address is similar. Though some style manuals recommend using a comma between the city and state name when typesetting addresses in other contexts, for optimal automatic character recognition, the Post Office does not ...