Get Zip Code Iowa

11111 is not a valid 5 digit ZIP Code, but there are valid ZIP Codes that start with 111: 11101, 11102, etc.

2 Answers. There are no duplicate ZIP Codes. There are some ZIP Codes that are multi-part polygons, but those polygons are usually adjacent.

ZIP Codes are numbered with the first digit representing a certain group of U.S. states, the second and third digits together representing a region in that group (or perhaps a large city) and the fourth and fifth digits representing a group of delivery addresses within that region.

If you run into a validation error for a country that does not use zip codes, you can try to force the address through by entering "00000" as a replacement postal code. Using this false postal code should not cause issues, as it does not exist.

Each State can have many zip codes, but each zip code should have only one state.

According to the accepted answer of Determining which US zipcodes map to more than one state or more than one city?, there are only 13 zip codes in two states. Reading down further on the page, though, you can see that back in 1994, there were 153 zip codes that cross state boundaries.

There is no ZIP Code 99999 in the United States. As for what the 99999 code can be used for, the most frequent use is as a dummy code is fiction and in movies, when the author or playwright wants to use a number that cannot be confused with an authentic code.

You will see this error when the zip or postal code of your address does not match your purchasing card. ... Simply review what the postal or zip code of your purchasing card is, and re-enter the correct information to proceed.

A few states have only one area code such as Alaska, Delaware, Hawaii, Maine, Montana, New Hampshire, North Dakota, Rhode Island, South Dakota, Vermont, and Wyoming.