In the map, 0 is closer to white and 9 is much more vivid. Map of the first 3 digits of zip codes, the digits after the first are also The sec centers are not open to the public and usually do most sorting overnight. All mail with the same first 3 digits is first delivered to the same sec center where it is sorted according to the last 2 digits and distributed to The first 3 digits of a ZIP code determine the central mail processing facility, also called sectional center facility or "sec center", that is used to process and They are assigned in order from the north east to the west coast. The map of the first digit of zip codes above shows The first digit of a USA ZIP code generally represents a group of U.S. 22313 for the PO Boxes of Alexandria, VA) Unique/single high volume address (ex.
Sorting packages and calculating the time and cost of shipping a package (the shipping rate). Though ZIP codes were originally developedįor USPS, many other shipping companies such as United Parcel Service (UPS), Federal Express (FedEx), DHL, and others make use of ZIP codes for The additional 4 digits help USPS more precisely group mail for delivery. The basic 5-digit format was first introduced in 1963 and laterĮxtended to add an additional 4 digits after a dash to form a The term ZIP stands for Zone Improvement Plan. Some still refer to ZIP codes as US postal codes. ZIP codes near me are shown on the map above. The USPS has an official city and state name for each zip code.US ZIP codes are a type of postal code used within the United States to help the United States Postal Service (USPS) route mail more efficiently. File 2: Primary City and State for Each Zip Code Some zip codes can have multiple secondary cities. Secondary city name for the same zip code. The "1" denotes the primary city and the "0" denotes a The sample above contains more than one city for zip codes "00603" and A unique identifier exists for each record. The Primary City, City, State, County Number and County Name. The first contains all the information with each Zip Code, whether it's File 1: All Zip Codes and Acceptable City and State Names Both ASCII Files are available to you in addition to the Microsoft Access databases. The ASCII Files come in 2 different formats. Let your users choose from the list and eliminate typos. In the example above, there are three acceptable city names for zip codeĢ2193. With the zip code table, you can easily create forms thatĪutomatically fill the city and state names when the zip code isĮntered, and also allow users to select non-primary city names: Sample Zip Code Data for Microsoft Access Example of Access Table and Form