State abbreviations are much needed when you are filling up any form or writing any detailed address information. Abbreviations are the short form of the US state names which is standardized by the Postal Service of the United States of America. Though we know the abbreviations of common and popular states, for others we need to look for the list.
Postal abbreviations of the United States have gone through 5 stage changes. State abbreviations are introduced in 1831 for the first time and the latest change took place in 1963 which is currently being used everywhere.
Postal State Abbreviations of USA
Apart from the main 50 states of the USA, there are few commonwealth and territories which also own abbreviations that formed with the same method as the main states. Abbreviations of these territories are given below:
|District of Columbia||DC|
|Federated States of Micronesia||FM|
|Northern Mariana Islands||MP|