National five digit zip code and post office directory
United States Postal Service, United States Postal Service Retail Operations Division, United States Postal Service Address Information Systems Division, United States Postal Service Office of Address Information Systems, United States Postal Service Customer and Automation Services Department, United States Postal Service Customer Service Support, United States Postal Service Address Management, United States Postal Service National Customer Support Center
Journal, Magazine, English, 1981-[2004]
U.S. Postal Service : [Supt. of Docs., U.S. G.P.O., distributor], Washington, D.C., 1981-[2004]