| GCat | General Reference |
| MCat | Reference |
| SCat | Directories |
Internet directories for individuals & businesses. Zip code and area code lookups. Geographic directories. Listserv manual.
Area Code and Zip Code Lookups [35814] 
Includes a variety of options such as within a radius, by county, distance and more
Includes a variety of options such as within a radius, by county, distance and more
Area Code Listing, By Number [2669]
United States & Canadian area code listings - listed by number and by state/country
United States & Canadian area code listings - listed by number and by state/country
Canada 411 Directory [8656]
Over 10 million telephone listings of Canadian businesses and persons, including postal codes
Over 10 million telephone listings of Canadian businesses and persons, including postal codes
Customer Service Phone Numbers [29082]
A list of companies with instructions to get to a human using their customer service numbers
A list of companies with instructions to get to a human using their customer service numbers
Geographic Names Information System [26149]
USA's official repository of domestic geographic names information - municipalities, counties, etc.
USA's official repository of domestic geographic names information - municipalities, counties, etc.
Listserv Manual [2268]
Explanation of listserv e-mail discussion groups - page down approx. 1/4 of page for search engine
Explanation of listserv e-mail discussion groups - page down approx. 1/4 of page for search engine
National Address and Zip+4 Browser [6568]
Input the company name and locate their addresses nationwide
Input the company name and locate their addresses nationwide
SuperPages [2694]
Over 16 million US business listings - find businesses, people, and e-mail addresses
Over 16 million US business listings - find businesses, people, and e-mail addresses
US National Address Server [12137]
Type in a basic address - get back Zip+4 as well as correct capitalization, punctuation, street type
Type in a basic address - get back Zip+4 as well as correct capitalization, punctuation, street type
Zip Code Lookup and Address Information [2171]
The place to look for zip codes for addresses in the United States
The place to look for zip codes for addresses in the United States
Please report broken links by referencing the [number in brackets in grey].
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