- National Address Server
Enter a partial U.S. postal address and the server attempts to rewrite the address in the proper format along with the ZIP+4 code.
www.cedar.buffalo.edu/adserv.html
- Canada Post Corporation@
dir.yahoo.com/.../Agencies/Canada_Post_Corporation
- Postage Rate Calculator
Calculate domestic or international postage with this tool from the U.S. Postal Service. Select your mail's destination, shape, size, and weight to get a postage quote. Also includes a ZIP code lookup.
ircalc.usps.gov
- Zip-Code-Database.Org
Find ZIP codes and postal information for all 50 U.S. States. Includes ZIP code search by city and by area code.
www.zip-code-database.org
- National Address and ZIP+4 Browser
ZIP code finder for addresses in the U.S., showing nearby addresses, similarly spelled streets and cities, and a list of standard address abbreviations.
www.semaphorecorp.com/cgi/form.html
- Jay Computer Services: ZIP and Area Codes
ZIP code and area code lookup and conversion database. Includes reverse area code lookup and Canadian postal codes.
www.jcsm.com
- U.S. State Abbreviations (13)
dir.yahoo.com/.../Postal_Information/U_S__State_Abbreviations
- Postal Rates.info
Guide to to postal authorities, post and ZIP codes, stamps, and philately around the world.
www.postalrates.info
- ZIP Codes and Postal Codes of the World
Gives links to postcodes and ZIP codes by nation, post office home pages, and other addressing and postal information. From EmbassyWorld.com.
www.embassyworld.com/data/Zip_Codes.html
- USPS Postal Rates
Information about postage rates for domestic, international, and business mail from the U.S. Postal Service. Includes links to online postage rate calculators.
www.usps.com/tools/calculatepostage/welcome.htm
- Addresses.com: ZIP Code Lookup
Find ZIP codes by United States city or state, or use the reverse ZIP code locator to find what location corresponds to a given ZIP code.
zipcodes.addresses.com/zip_code_lookup.php
- Area Codes - Zip Codes
Look up U.S. area codes and ZIP codes, or find postal and phone information for a town, city, or county.
www.area-codes.com
- Wikipedia: ZIP Code
Encyclopedia article about the history and uses of the United States postal codes. Also includes lists of zip codes by state and postal codes by country.
en.wikipedia.org/wiki/Zip_code
- Conversion of German ZIP Codes
www.informatik.uni-frankfurt.de/plz/plzrequest.uk.html
- ZipDecode
Java-based map of the continental U.S. that progressively narrows down the area covered by a ZIP code as you type in the numbers one by one.
acg.media.mit.edu/people/fry/zipdecode
- USAZipInfo.com
Provides lists of ZIP codes by state, city, county, and area code.
www.usazipinfo.com
- ZIP Code Look-Up and Address Information
Find the ZIP code for a given address, search by city or company, or find all cities in a ZIP code. From the U.S. Postal Service.
zip4.usps.com/zip4
- Philippines Zip Codes
Browsable list of Metro Manila and provincial zip codes.
www.globalpinoy.com/infocenter/zipcodes
- ZIP Code Distance and Radius Search
Find the distance between two ZIP codes or find all the ZIP codes within a given radius.
www.zipcodedownload.com/Lookup
- Singapore Post: Postal Code Enquiry
Find postal and address information for locations in Singapore.
www.singpost.com/pc6d/6digit_form_b.asp
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