Online Reference Shelf

Click here to return to the list of categories.

To access a specific resource, click its name on the list below. Items marked "CSUDH Students Only" will require you to enter your CSUDH Student ID in order to access them. Items marked with "Anyone Can Use" can be used by anybody.

Addresses, Phone Numbers, Zip Codes

Resource Name	Description	Who Can Access
Anywho (from AT&T)	An online 'yellow pages' & 'white pages' by AT&T. Notable features include maps, reverse lookups (enter the phone number and it will return the owner's name and address), the ability to perform a 'people' search without entering a last name, and a toll-free directory. AnyWho also includes basic business listings.	Anyone Can Use
Switchboard.com	An online 'Yellow Pages' containing resident and business contact information.	Anyone Can Use
YellowBook	An online 'Yellow Pages' & 'White pages' containing resident and business information. You can also use a reverse look-up tool and sort by distance.	Anyone Can Use
InfoBel International Phone Directories	An online 'Yellow Pages' & 'White Pages' that contains information for the whole world.	Anyone Can Use
American Telephone Area Codes	A list of the telephone area codes for North America, sorted by area code number	Anyone Can Use
Area Code Lookup USA	Listings of telephone area codes and reverse phone number lookup for the USA	Anyone Can Use
USPS Zip Code Lookup	Look up the US zip code by address, or find the community name if you already know the zip code	Anyone Can Use
Associations on the Net	The Internet Public Library's list of associations' home pages, organized by subject, and searchable alphabetically or by keyword.	Anyone Can Use