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There are a number of addressing situations that can create matching and standardization difficulties. The standards contained in this document do not account for every type of addressing situation that may occur; however, these standards are comprehensive and reflect a majority of address styles.
There are some addressing situations of which a mailer should be aware. These include:
These are prevalent in New York City (for example, 112-10 BRONX RD), Hawaii, and areas in southern California. The hyphen in the primary range should not be removed if matched to the ZIP+4 File.
These contain significant punctuation, such as periods (for example, 39.2 RD, 39.4 RD). There are also grid style addresses in Salt Lake City that include double directionals (for example, in 842 E 1700 S: E is a predirectional, S is a postdirectional, and 1700 is located in the primary name field).
For example, N6W23001 BLUEMOUND RD, as found in Wisconsin and Northern Illinois.
These are represented as three or four character positions (for example, 123 1/2 MAIN ST). 123 1/2 takes seven character positions in the range field.
These are found in Puerto Rico, for example, and are difficult to match. For the purpose of providing as much assistance as possible to standardize Puerto Rico addresses, a complete description of the file format for matching these addresses begins in section 293. Additional information on Spanish words used in primary street names may be found in Appendix H.
For the other address styles mentioned, mailers should be aware that the ZIP+4 File contains these addressing conventions. In most cases, however, unnecessary punctuation and special characters have been removed and are not recommended on a mailpiece.
Alphanumeric address ranges create a challenge for accurate matching. Appendix E provides guidelines for locating and matching alphanumeric ranges (both primary and secondary).