What is the only U.S. state to change its initial two-letter abbreviation?

Here is the question :

WHAT IS THE ONLY U.S. STATE TO CHANGE ITS INITIAL TWO-LETTER ABBREVIATION?

Here is the option for the question :

• Alaska
• Nebraska
• Pennsylvania
• West Virginia

The Answer:

And, the answer for the the question is :

Explanation:

[STC005927] No one state’s postal abbreviation has been updated in the five decades since two-letter postal abbreviations were first implemented in 1963. This state is Nebraska, which in 1969 changed its abbreviation from NB to NE. The reason for this change was at the request of Canada’s post office in efforts to avoid confusion between the U.S. state and the Canadian province New Brunswick.