https://ccrcal.org/wpfd_file/appendix-b-postal-abbreviations-for-states-and-territories-of-the-united-statesupdated-01-29-21/
Appendix B: Postal Abbreviations for States and Territories of the United States(updated 01/29/21)...
states and territoriesappendix bpostal abbreviationsof theunited
https://www.accuracyproject.org/abbreviations.html
U.S. Postage Rates and Postal Service State Abbreviations
U.S. Postage Rates and two-letter state abbreviations - Internet Accuracy Project - Working to improve the accuracy of the reference sources we all rely on,...
u spostage ratespostal servicestate abbreviations