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Publication 28 - Postal Addressing Standards >
Appendix D > D2 Grid Style Addresses
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).