Phone Directories, Area Codes & Zip Codes

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Telephone & Address Directories | Area & Calling Codes | Zip & Postal Codes

Telephone & Address Directories (Yellow Pages & White Pages)

AnyWho
AT&T yellow pages, white pages, toll free numbers, reverse lookup, and area codes. Find links to international directories.

Canada 411
White and yellow pages for people and businesses in Canada.

DexKnows
Find a person's phone number or address. Reverse lookup by phone and address. Find businesses by name, category, keyword, phone number, city & state, address, zip code, or landmark.

Google Search - Phone Directories
Find other phone directory sites from Google.

Infobel
Fax, email, and phone directories for countries all over the world. Search in English, Spanish, French, Dutch, German, and Italian.

Superpages.com
Find a person's phone number or address. Reverse lookup by phone and address. Find businesses by name, category, keyword, reverse phone number lookup, city & state, address, zip code, or landmark. Find current area code information.

Switchboard Telephone Directories
Find people, businesses, city directories, and maps. Search reverse lookup by phone, area code, or zip code.

Telephone Directories
Part of the physical collections available at Utah State History's Research Center. Search their holdings of telephone books, arranged alphabetically and dated from 1908 to the present.

U.S. Government Telephone and E-mail Directories
Find contact information from USA.gov for elected officials (President or Vice President, U.S. Senators, U.S. Representatives, State Governors, & State Legislators) and for states and territories. Find information by agency, topic, and toll-free agency numbers. Locate military personnel or overseas citizens.

Utah Government Representatives
Find contact information for the Governor & Lieutenant Governor, Utah's U.S. Representatives, Utah's U.S. Senators, and State Representatives and Senators. Also find agency contact information from a complete alphabetical list of state agencies.

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Area & Calling Codes

ACR's International Calling Code Directory
Alphabetical listings of country and city codes throughout the world.

AnyWho Area Codes
Find area codes for U.S. states and territories and Canadian provinces and territories.

Area Code Decoder
Provides current information related to area codes, city codes, and country codes. Simply type in the name of a city, state, and/or country, or a city code, area code, or country phone code.

Country Calling Codes
Provides country codes and city codes by allowing users to select the country they are calling from and to.

Google Search - Area Codes
Find other area code sites from Google.

North American Numbering Plan
The North American Numbering Plan (NANP) is an integrated telephone numbering plan serving 19 North American countries that share its resources. These countries include the United States and its territories, Canada, Bermuda, Anguilla, Antigua & Barbuda, the Bahamas, Barbados, the British Virgin Islands, the Cayman Islands, Dominica, the Dominican Republic, Grenada, Jamaica, Montserrat, St. Kitts and Nevis, St. Lucia, St. Vincent and the Grenadines, Trinidad and Tobago, and Turks & Caicos. The format is an area code, followed by a seven-digit local number.

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Zip & Postal Codes

Franks's Compulsive Guide to Postal Addresses
Find postal codes for countries of the world and information about how to address mail to each of these countries.

Google Search - Zip & Postal Codes
Find other zip or postal code sites from Google.

Zip Code Lookup
Find zip codes by address, city, or company. From the United States Postal Service.

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