Alcove
9: An Annotated List of Reference Websites
Addresses and Telephone Numbers
Switchboard (U.S. Telephone Directory)
Online database of U.S. residential and business telephone numbers, maintained by American Business Information.
Telephone Directories on the Web
Databases for searching foreign telephone numbers, arranged by country.
U.S. Postal Service ZIP Code Lookup Tools
Find a ZIP+4 code for a specific street address or business; search for ZIP
codes by city or town; or search for localities
in a ZIP code area.
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