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Collin County Zip Code List. Ohio County Zip Code List. La County Zip Codes List. California County Zip Code List. Manatee County Zip Code List. Missouri Zip Codes List. Montgomery County Zip Codes.

County Search By Zip Code. Kansas Zip Codes By County. Pima County Zip Codes. Miami Area Zip Codes Map. Arrow Icon Documentation. Choose your option below. Enter a city and state to see the ZIP Codes for that city.

Enter a ZIP Code and see the city or cities it covers. ZIP Code by Address. The leader in location data intelligence. Use modern security software and cipher suites.

SmartyStreets is now. Arrow Icon Cloud. Query String? Additional query string parameters are introduced in the next section. See the paragraphs below this table for a few relevant details. HTTP Request: Headers You must include the following required HTTP headers in all requests: Header Description Example Content-Type The purpose of the Content-Type field is to describe the data contained in the body fully enough that the receiving user agent can pick an appropriate agent or mechanism to present the data to the user, or otherwise deal with the data in an appropriate manner.

Status Code Response and Explanation Unauthorized : The credentials were provided incorrectly or did not match any existing, active credentials. If you use embedded key authentication, you can avoid this error by adding your IP address as an authorized host for the embedded key in question.

The output will be identical to the input. None — Coordinates not known. Metadata for the input ZIP Code including latitude and longitude coordinates. A listing of corresponding ZIP Code combinations. Metadata for the input ZIP Code including latitude and longitude. The Census Bureau and many other commercial services will try to interpolate the data to create polygons shapes using straight lines to represent the approximate area covered by a ZIP code, but none of these maps are official or entirely accurate.

They provide a very close approximation of the area covered by a ZIP code. 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.