Us postal 4 digit code verification#
Us postal 4 digit code code#
Us postal 4 digit code zip#

Us postal 4 digit code zip#

So, USPS created 9-digit ZIP Codes to ensure fast and accurate mailings.

Us postal 4 digit code code#

The five-digit code which initially specified an area or a part of a town was no longer accurate or efficient enough. In terms of delivery points, the USPS reported approximately 89 million delivery points by the end of the decade. It is estimated the of mail delivered in the 1980s peaked at approximately 177 billion pieces. The United States Postal Service introduced the ZIP+4 system in 1983 to deal with the growing complexity and volume of mail. Who would have thought a five-digital code would change the world! Eased the process of sorting without a reduction in staff.Speed up delivery by up to 48 hours at some locations.Save delivery costs up to $10,000 per year for some counties.

By enabling more precise sorting and routing of mail, the system reduced delivery times and improved the reliability of postal services throughout the country.Īccording to historical data, the ZIP code system helped the postal service: The introduction of the ZIP code system revolutionized mail delivery in the United States, making it faster, more accurate, and more efficient. The system used a five-digit code to identify specific areas within the country, with the first three digits representing a regional sorting area and the last two digits representing a specific post office or delivery zone within that area. He believed that a new system was needed to streamline the sorting and delivery process and so the ZIP code system was introduced in 1963. Hahn recognized that the existing postal system in the United States was slow and inefficient, with mail being sorted manually and often getting lost or misrouted along the way. Bentley Hahn, a postal inspector in the United States, proposed the idea of using a five-digit code to identify specific areas within the country, based on a similar system that was being used in Germany at the time. We verify, correct and standardize address data for over 240 countries, and our CASS processing service can help you improve mail deliverability and qualify your mailings for postal discounts.In the early 1940s, H.

Us postal 4 digit code verification#

Our Address Verification service CASS processes your mailing list by matching the addresses in your mail file to the monthly updated USPS® National Address file, adding the correct ZIP+4 postal codes and standardizing to meet USPS CASS requirements. Melissa has over 35 years of experience providing leading-edge address management and mailing solutions. To use the lookup tool, simplyĮnter a 5-digit ZIP Code and see a list of all ZIP+4 Codes within the given 5-digit ZIP Code.Įnter a ZIP+4 Code and get all addresses within that ZIP Code and other consumer records. It also returns information related to addresses such as current resident, phone number and more. Melissa’s ZIP+4 lookup returns a list of addresses within the provided ZIP Code. ZIP+4 Codes improve the mail sorting and delivery process - the increased level of accuracy helps speed up delivery time, decrease the chance of delivery errors, and qualify mailers for bulk mailing discounts. It helps to identify a geographic segment within the five-digit delivery area, such as a city block, a group of apartments, an individual high-volume receiver of mail, or a post office box.

Your ZIP+4 is a basic five-digit code with four digits added as an extra identifier.