Where in the world is …? Nashua Area Radio Society › Topics In All Forums › Mentoring Forum › Where in the world is …? This topic has 0 replies, 1 voice, and was last updated 9 years, 4 months ago by Aron Insinga. Viewing 1 post (of 1 total) Author Posts May 28, 2016 at 3:48 pm #2957 Aron InsingaParticipant Here’s a list of USPS 2-letter state abbreviations with historical information such as when (in 1969) Nebraska changed from NB to NE: https://about.usps.com/who-we-are/postal-history/state-abbreviations.pdf Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In