At the Library
Looking for help finding a phone number or postal code? Call the library information line at 519-661-4600 during library hours and staff would be happy to help you look up the information.
Looking for Canadian phone books? Central Library houses phone books for Ontario and other major Canadian cities on the second floor available for viewing during library hours.
Find postal codes, rates, and post offices across Canada.
United States Postal Service
Use the service on this site to find zip codes in the United States.
Universal Postal Union
Links to postal administrations around the world from whose individual sites postal codes can be found.
International links to online telephone, fax, 800 number and business directories. Includes reverse search(by telephone number) directories. Also provides links to several e-mail directories.
Find international white pages and yellow pages phone books as well as search online directories around the world.
Search for people, businesses and places in the United Kingdom.
Search the white or yellow pages for the United States of America. It is also possible to reverse search by number or address and to look up area and zip code.