KU Style Guide
When mailing to a student living in the residence halls use NAME, ROOM NUMBER AND RESIDENCE HALL NAME, KUTZTOWN, PA 19530. It is not necessary to write Kutztown University.
555 BONNER HALL
KUTZTOWN, PA 19530
Use the abbreviations Ave., Blvd., and St. only with a numbered address: 1600 Pennsylvania Ave. Spell them out and capitalize when part of a formal street name without a number: Pennsylvania Avenue. Lowercase and spell out when used alone or with more than one street name: Massachusetts and Pennsylvania avenues.
All similar words (alley, drive, road, terrace, etc.) always are spelled out. Capitalize them when part of a formal name without a number; lowercase when used alone or with two or more names.
Always use figures for an address number: 9 Morningside Circle.
Spell out and capitalize First through Ninth when used as street names; use figures for 10th and above: 7 Fifth Ave., 100 21st St.
Abbreviate compass points used to indicate directional ends of a street or quadrants of a city in a numbered address: 222 E. 42nd St., 562 W. 43rd St., 600 K St. NW. Do not abbreviate if the number is omitted: East 42nd Street, West 43rd Street, K Street Northwest. No periods in quadrant abbreviations – NW, SE – unless customary locally.
Use periods in the abbreviation P.O. for P.O. Box numbers.