Zip Code Extension Usps
Android 2019 - Zip Code Extension Usps, How to find the 4 digit zip code extension for a specific, The system allowed postal workers to sort the increasing mail volume faster. in 1981, the zip+4 code extension was instituted to further narrow down the geographic area for mail delivery. the usps website or any usps location can tell you the four-digit zip code extension for a specific address.. Zip+4 code - usps, Zip+4 code. the zip+4 code added a hyphen and four digits to the existing five-digit zip code.the first five numbers continued to identify an area of the country and delivery office to which mail is directed.. Zip+4 codes | how to find yours and what it means, Zip+4 codes are the last 4 digits of a nine-digit zip code. a complete, nine-digit zip code consists of two parts. the first five digits indicate the destination post office or delivery area. the last 4 digits represents a specific delivery route within that overall delivery area..