Phone numbers and addresses

  • Anywho - large database, which also has international and toll-free numbers
  • PLS Libraries (San Mateo County) - hours, phone numbers, addresses, and directions
  • Switchboard - large database with white and yellow pages and reverse look-up
  • USPS Zip Code Directory
  • Which CA Phone Book? - tells you which book to use to find a city's listings (i.e. Want Berkeley? Look under "O" for the "Oakland, Alameda & Berkeley" directory.)