The lookup tool is not case sensitive.
Punctuation is not needed.
Look up a USPS Zip+4 Code.
If you enter a city name or zip code, you will be taken to the Map Lookup which will have the city or zip code boundary highlighted for you.
The lookup tool is based on the United States Postal Service (USPS) postal standards.* For example:
If you are unable to find: | Try: |
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1234 Fairfield Road Southeast Olympia 98502 |
1234 Fairfield RD SE Olympia 98502 |
Ninth Avenue South Olympia 98502 |
9th AVE S Olympia 98502 |
1914 Russel Road Olympia 98502 |
1914 Russel RD Olympia 98502 |
*For more information on USPS standards, check out the USPS Zip+4 Code Lookup which will give you the correct address to look up.
If your street name has a prefix or suffix, enter just the street name without the prefix or suffix. For example:
If you are unable to find: | Try: |
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100 Linderson Way SW Olympia 98502 |
100 Linderson Olympia 98502 |
For an apartment address, enter the address without the apartment number. For example:
If you are unable to find: | Try: |
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1789 Clearbrook Apt. #22 Olympia 98502 |
1789 Clearbrook Olympia 98502 |