Entries for POSTAL CODES
1990 U.S. Census Lookup Full Record
From the US Census
1992 Economic Census Full Record
Census, from the Census Bureau, offers extensive data, as well as narrative summaries, for most sectors of the United States economy in 1992. Even allows
searches by ZIP code. Clickable maps make it easy. From Oregon State University.
PTT and Philately Full Record
The Right Side Full Record
1,000,000 pages of free, easy-to-use
ZIP Code Lookup and Address
Information Full Record
Official US Postal Service site.