Question

how zip codes work

Answer 1

ZIP Codes are 5-digit numbers created by the United States Postal Service to address singular mail centers across the United States. A ZIP Code is only the name of the postal code framework for the United States. Like the US, most nations have their own postal code framework names. For instance, India calls their framework 'Postal Index Numbers'. The Czech Republic calls their framework 'Postal Routing Numbers'. Thus, when you hear 'Postal district' think 'US's

There are three principle parts of the 5-digit ZIP Code—the public zone, the locale or city, and the conveyance region. The United States Postal Service (USPS) has divided the country into 10 ZIP Code regions. Beginning in the upper east, they are numbered 0-9.