Zip mailing code

Address may have been entered incorrectly, is an invalid address, or it may be a new construction address or a new housing development. Verify that the address you have is correct. If you still do not get a response and the address is a valid mailing address, contact the local Post Office and request their assistance in resolving the problem.

If undeliverable there, it is forwarded to the Post Office as stated by city and state. Go to USPS. Sign In. FAQs Home. How can we help? Search for a topic. ZIP Codes. Share via email. Information Article Number. Customer Information. City names that are abbreviated will frequently be listed as unacceptable because abbreviations are not an acceptable city name format. You can easily notice some of the boundary issues when viewing our maps. Very rural areas aren't labeled as belonging to a ZIP code such as much of Nevada and Utah where there are few, if any, addresses to deliver mail.

If the address is on the same street as a ZIP code boundary on the map, be sure to search for the full street address to determine the ZIP code instead of relying on the map. Their purpose is to convey statistical data about regions that are familiar to most citizens. As discussed above, it is difficult to precisely define a geographic area covered by a ZIP code.

ZCTAs were developed to account for some of the difficulties in assigning an area to a ZIP code and to precisely define a geographic area. In general, they are updated once every 10 years for the Census. The Census assigns an area to a ZCTA according to census blocks the smallest geographic unit used by the census. Imagine a city block that makes up a typical census block as pictured to the right. It is bounded on all 4 sides by portions of city streets that each have their own name and addresses.

The issue is that census blocks almost always split down the middle of the street. ZIP codes rarely do because that would require two postal workers delivering mail to that street - one for each side of the street. In the example, one mail carrier may deliver to 3 sides of the block via one ZIP code while another mail carrier delivers mail on the other street in a different ZIP code. When this happens, the Census Bureau will assign the entire block to a single ZCTA in this case, because the census block is the area that is precisely measured.

If you are getting very precise usually a matter of meters, not miles , census block boundaries near the edge of a ZIP code almost always split ZIP codes. The statistics provided by the Census Bureau can give insight into the demographics within the ZIP code. For instance, see our ZIP code rankings. Remember that ZIP codes were made to make mail delivery easier. To get your exact zipcode please share your location. You can also find the zipcode of any address or point clicked on the map.

Searching for a city may not give you a result as there are many zip codes within a city. If you are in a country other then the United States you will receive the postal code of that location. In the United States of America a zipcode is five or nine numbers that are added to a postal address to assist the sorting of mail. There are currently about 43, zipcode. This tool can also find the postal code of many other countries. Postal codes vary from one country to another but they are usually a group of numbers between 3 and 10 digits long.