Get a huge list for a few pennies then try our append tool and add names and phone numbers to create your ultimate neighborhood leads list. Please Wait Processing Your Request Home Lookups Mailing Address. House Number. 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: there simply isn't always a clear geographic boundary for a ZIP code.
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. Do you have a complaint, compliment, or suggestion for the U. There are several ways to let them know:. Select an inquiry type that most closely relates to the complaint or question that you have.
On the website, you can also file a claim or request a refund for shipping. Speak to the station manager postmaster at a local post office. Contact the district the postal consumer and industry affairs office that handles questions for your district.
Find your district consumer office. Email or write to the U. Finding more information about contacting the OIG. Postal Inspection Service is the federal law enforcement agency that protects the mail system. Contact them to report:. Mail fraud - File an online mail fraud complaint. Mail theft - Find out how to file a mail theft complaint online. To comment or complain about a major policy change, such as postage rates, contact the Postal Regulatory Commission PRC.
You can do so by using their online contact form. Use the Post Office Locator to search for post offices, approved postal providers, self service kiosks, collection boxes, and other services. Ask a real person any government-related question for free. They'll get you the answer or let you know where to find it. Postal Service Issues. Share This Page:. Do you have a question? Talk to a live USA.
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