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224 Format - Postal Explorer - USPS
224 Format. Format the Last Line with at least one space between the city name, twocharacter state abbreviation, and ZIP+4 Code.
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A Guide to Style and Usage
The same rules apply to city, commonwealth, county, town, and so forth. When referring to a city and state, use the states full name: The demonstration
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Addresses
USPS abbreviations are used for both the street address and state, and there is no punctuation in the lines for the street address or city, state and ZIP code.
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