Us zip code lookup download#
To download the the US and Canadian ZIP code databases go to the Shop ZIP Code Databases page. US and Canadian ZIP Code Database - Immediate Download For great and fast results, it is vital for people to familiarize themselves with the lookup process and what it entails. In such cases, ZIP code lookup using geographical codes or validation of addresses requiring ZIP +4 codes may not work.Īll having been said and done, the USPS provides the best platform for looking up of ZIP codes. However, there are exceptional cases where USPS addresses lack ZIP +4 codes.
Because of this existing variance, ZIP +4 code is looked up separately for individual post office boxes. In cases where the post office box number has less than four digits, zeros precede the box number. Usually, the four digits can be a zero coming before the last three digits of the post office box number. In a ZIP code, the +4 represents the last four digits in a box number. These codes are automatically calculated during the sorting and processing of mail.Įvery post office box has a designated ZIP +4 code. Thus ZIP +4 codes are very specific in nature, but are not a requirement during ZIP code lookup.
Us zip code lookup plus#
They are made up of the basic five digit codes plus four more digits representing the lowest or smallest delivery segment like a street, some apartments, city blocks or personal addresses that receive much mail. The USPS incorporated the ZIP +4 codes in the system in 1983. Boundaries between ZIP codes in these areas are indefinite. Therefore, no ZIP codes are assigned to them. In such areas delivery routes are very sparse. Other areas lack delivery routes, especially the undeveloped rural areas. Examples are the navy codes, which start with 095. They may not even be found in specific Geographic areas. Therefore, ZIP code 'areas' may overlap others or be overlapped by others. Instead, they denote groups of addresses or routes of mail delivery. As much as they may be assigned to Geographic areas, they don't represent those regions at all. Actually, they cut across county as well as state boundaries. They are lines designed to increase mailing efficiency. It is vital to clarify that ZIP codes are not boundaries. The combination of the first three digits represent the regional sorting and distribution center, called the Sectional Center Facility. After the first digit, which is the national code, the next two digits represent the city or major town, while the last two digits are the local post office or area of delivery. One only needs to enter the address, company name or city. The United States Post Office Services makes ZIP code lookup become very easy, be it by address, by company or by city. This knowledge is very vital, especially during ZIP code lookup. The United States is divided into ten ZIP code areas, numbered 0-9. Every ZIP code can be broken down into three parts: The national, regional or city and finally, the delivery area. Every figure in a ZIP code is very significant. Address locations are numerically represented by ZIP codes. Actually, 'ZIP' is an abbreviation for 'Zone Improvement Plan'. All the criticism aside, we all owe our mailing efficiency to the USPS.
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