Reference Shelf: Addresses & Phone Numbers

AnyWho Toll-Free Directory A listing of toll-free numbers by AT&T

AT&T Directories find phone numbers, addresses, maps and directions for businesses and people in the U.S.

InfoSpace Features includ yellow and white pages, maps and directions, reverse lookup to match phone numbers to names, and near an address, to find businesses close to a location.

Yahoo Phone Numbers & Addresses Collection of directories for addresses, phone number, area codes, postal information, etc.

U.S. Government Telephone & E-mail Directory From the U.S. government's official web portal.

U.S. Postal Service Zip Codes & Addresses Find zip codes through the USPS.