Question #148999. Asked by
Last updated Sep 01 2022.
Originally posted Sep 01 2022 5:31 AM.
In October 1963, the Department settled on the current two-letter abbreviations. Since that time, only one change has been made: in 1969, at the request of the Canadian postal administration, the abbreviation for Nebraska, originally NB, was changed to NE, to avoid confusion with New Brunswick in Canada.