Where Can You Find a Nine-Digit Zip Code?

Interactive - Updates lists of cities, states, ZIP codes, counties, and streets instantly with every keystroke, guiding you directly to the correct address. United States Zip Code Directory — areazipcode. Typically, a ZIP Code is tied to a post office; by that we mean, every one of the latter has one of the former. It was chosen to suggest that the mail travels more efficiently and quickly zipping along when senders use the code in the postal address the basic format consists of five digits. Imagine a city block that makes up a typical census block as pictured to the right. You can also place your order via phone or mail for Internet download.

How Do You Look up a Postal Code?

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If you are not satisfied with our data, please contact us for a full refund. With over 50 unique fields of information and every 9 digit ZIP code in the United States, it gives you an unlimited number of ways to analyze all the U.

Our ZIP plus 4 Database is a great tool for address verification, building websites, geotargeting, sales tax, and general analysis. Immediate Download after purchase 1 Year Subscription with Monthly Updates All subscriptions are not automatically renewed.

Standard Database Redistributable License Agreement Designed for use in a distributed product or service outside your organization. Each file contains the full data for the given state. All files are delivered in compressed. Actual Customer Emails I appreciate your great customer service and your fine product. Use our ZIP plus 4 data for easy lookups and data filling Target key locations and demographics using our data Comes with every U.

Territories are also included in our data. There are only about 43, U. This does not show which counties this ZIP Code covers, it is simply a flag that indicates whether the zip code falls into more than one county. If you need the actual counties that a particular zip code falls into, you need to purchase the Business version of our database. ZIP Codes, sort the data by this field. Your results will be all approx.

Census Block Group Code Structure: The Asian population numbers are not projected to the future, they are actual Census numbers. The Hawaiian or Pacific Islander population numbers are not projected to the future, they are actual Census numbers.

The American Indian and Alaska Native population numbers are not projected to the future, they are actual Census numbers. The other race population numbers are not projected to the future, they are actual Census numbers. The Male population numbers are not projected to the future, they are actual Census numbers. The Female population numbers are not projected to the future, they are actual Census numbers. The average number of individuals per household are not projected to the future, they are actual Census numbers.

The average house value numbers are not projected to the future, they are actual Census numbers. House Value Sort by this field to get all the top household incomes by zip code. The average household income numbers are not projected to the future, they are actual Census numbers. We keep the old MSA's in our database because some of our older customers have mapped their data by this information and it makes it easier for them if we leave the data in the database.

These standards are used to replace the definitions of metropolitan areas that were defined in These are defined by their population densities. To be considered a Micro area, population must be between 10, and 50, To be considered a Metro area, population must exceed 50, Metropolitan divisions are conceptually similar the primary metropolitan statistical areas PMSAs defined under previous standards.

The sec centers are not open to the public and usually do most sorting overnight. As you can see from the map of the first 3 digits of zip codes , the digits after the first are also generally assigned from east to west. In the map, 0 is closer to white and 9 is much more vivid. It's easy to follow the gradient across each of the zones even though there are a few exceptions such as the southwest tip of Georgia which uses 39XXX like central Mississippi.

Despite the fact that ZIP codes seem to be geographic in nature, that wasn't their intended purpose. They are intended to group mail to allow the USPS to deliver mail more efficiently. Some ZIP codes will span multiple states in order to make mail routing and delivery more efficient. In most cases, addresses in close proximity to each other are grouped in the same ZIP code which gives the appearance that ZIP codes are defined by a clear geographic boundary.

However, some ZIP codes have nothing to do with geogaphic areas. When ZIP codes appear to be geographically grouped, a clear shape cannot always be drawn around the ZIP code because ZIP codes are only assigned to a point of delivery and not the spaces between delivery points. In areas without a regular postal route or no mail delivery, ZIP codes may not be defined or have unclear boundaries. The main issue is discussed above: 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.

How to Find YOUR ZIP+4 Code

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