Directories

This page:
Postal Information | Telephone Directories | E-mail Directories

Postal Information

• Post Codes from many countries (Universal Postal Union)
• Postal Rates Info - Rates, post codes, etc. worldwide

United States:

• U.S. Postal Service
• U.S. Postal Service: Calculate Postage
• Zip Code Lookup
• Find the Nearest Post Office
• Postal Zone Charts
• Military Zip Codes - For those in the services overseas
• Langenberg.com: Zip Codes - Everything you want to find out about Zip codes — Cities and counties, distances, census data, maps
• Mailbox Map - For any address, find a nearby mailbox
• Melissa: Free Lookups - Address and street data, everything ZIP codes (formerly MelissaData)

Delivery Tracking and Rates:

• InterShipper - Shipping rates and tracking
• PackTrack.com - Works with all major shippers

Postal Museums:

Stamp collections, philately

• British Library Philatelic Collections
• British Postal Museum and Archive
• National Postal Museum (Smithsonian Institution)
• More Philatelic Collections (British Library)

Telephone Directories

• Four11.com - Reverse lookup
• AnyWho - Look up businesses, persons; reverse lookup (mostly U.S.)
• Infospace - Phone book, yellow pages, maps
• SuperPages - Keyword, business, reverse lookup (U.S. only)
• Switchboard - Residential and business white pages
• WhitePages.com
• WhoWhere? Phone Numbers & Addresses
• Yahoo People Search
• ZabaSearch - Powerful reverse directory (U.S.)

Businesses:

Yellow pages and toll-free directories. See also U.S. local sites, many of which function like yellow page directories

• Big Book - Yellow pages
• Big Yellow
• Central Source Yellow Pages
• AT&T Toll-Free Directory
• Internet 800 Directory - Also includes 866, 877, and 888 listings

Web Directories of Phone Directories:

• Infobel - Lists online directories for countries around the world (formerly PhoneNumbers.net)
• International White and Yellow Pages (WaYP.com)

The Virtual Chase

• Phone Lookup and Reverse Telephone Directories
• White Pages Outside of the U.S

Area Codes:

• Area Code Maps (North American Numbering Plan Administration, NANPA)
• Area Decoder (Americom)

Internet Telephony / Voice over IP (VoIP)

• Skype
• Google Voice
• Phonevite - Use the Internet to leave a phone message for multiple people at once

Miscellanea:

• Payphone Directory
• PhoneSpell: What does your phone number spell? [phonespell.org]

E-mail Directories

• See E-mail Directories