What does NP mean in USPS?
This page is about the meanings of the acronym/abbreviation/shorthand NP in the Miscellaneous field in general and in the USPS terminology in particular.
Find a translation for NP in other languages:
Select another language:
What does NP mean?
- neptunium, Np, atomic number 93(noun)
- a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium