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Phonebooks & Zip Codes Internet Informational Sites

Switchboard - Find business, personal numbers, area and zip codes, maps and directions.

AnyWho - Yellow pages, white pages, reverse lookup, international, maps, area codes, toll-free.

U.S. Postal Service Zip Code Lookup

Internet 800 Directory - Toll-free numbers, company info.

ZipInfo: Free Zip Code Lookup - Finds zip codes as well as longitude and latitude, time zones, and area codes.

SmartPages - Find a person, a business, driving directions, business and city guide.

Links: Postal Codes - International postal codes, some in English.

BigBook - Search for U.S. businesses in the online yellow pages, do map based searches, city searches, people and more.

International White and Yellow Pages - Offers white and yellow pages for nations around the world.

Ohio Telephone Exchanges and Prefixes by County