University of Pittsburgh

University of Pittsburgh
Writing Style Manual

Appendix 4: Postal Information and State Abbreviations

Envelopes

Now that computerized bar-coding and address-scanning equipment is used, the U.S. Postal Service advises against putting phone numbers, Web addresses (particularly Web addresses with numbers in them), or teasers that have numbers in them on envelopes or mailers. Contact the Department of Communications Services for assistance with envelope or mailer copy to ensure proper and timely delivery.
 

Abbreviations

(Note: Use two spaces between state and zip code on business reply cards and on all envelopes.)

  In addresses In text following the name of a city
Alabama AL Ala.
Alaska AK Alaska
American Samoa AS American Samoa
Arizona AZ Ariz.
Arkansas AR Ark.
California CA Calif.
Colorado CO Colo.
Connecticut CT Conn.
Delaware DE Del.
District of Columbia DC D.C.
Florida FL Fla.
Georgia GA Ga.
Guam GU Guam
Hawaii HI Hawaii
Idaho ID Idaho
Illinois IL Ill.
Indiana IN Ind.
Iowa IA Iowa
Kansas KS Kan.
Kentucky KY Ky.
Louisiana LA La.
Maine ME Maine
Marshall Islands MH Marshall Islands
Maryland MD Md.
Massachusetts MA Mass.
Michigan MI Mich.
Minnesota MN Minn.
Mississippi MS Miss.
Missouri MO Mo.
Montana MT Mont.
Nebraska NE Neb.
Nevada NV Nev.
New Hampshire NH N.H.
New Jersey NJ N.J.
New Mexico NM N.M.
New York NY N.Y.
North Carolina NC N.C.
North Dakota ND N.D.
Ohio OH Ohio
Oklahoma OK Okla.
Oregon OR Ore.
Palau PW Palau
Pennsylvania PA Pa.
Puerto Rico PR Puerto Rico
Rhode Island RI R.I.
South Carolina SC S.C.
South Dakota SD S.D.
Tennessee TN Tenn.
Texas TX Texas
Utah UT Utah
Vermont VT Vt.
Virgin Islands VI Virgin Islands
Virginia VA Va.
Washington WA Wash.
West Virginia WV W.Va.
Wisconsin WI Wis.
Wyoming WY Wyo.