Miscellaneous
- Naval Air Station Pensacola (airport code), Pensacola, Florida
- Non-Performing Asset, banking term for loans in jeopardy of default, ones that have not paid principal or interest for 90+ days
- Northcoast Preparatory and Performing Arts Academy, a high school in Arcata, California
- List of North American Numbering Plan area codes, also known as "Numbering Plan Areas"
- Notice of Proposed Amendment, a publication that precedes any amendment of the Joint Aviation Requirements (JAR)
- .NET Persistence API, also known as NPersistence
Read more about this topic: NPA