What does NPA stand for?

Committee for a National Peace Academy - Later, N-PAC (EA)

Napan - West Irian, Indonesia - Airport symbol (AD)

Naphthylphthalamic Acid - Organic chemistry

Naptalam (EDCT)

Nar Phu - Language symbol (ETLW)

Nasal Pharyngeal Airway - Medicine (EDAA)

National PACE Association (EA)

National Paddleball Association (EA)

National Panel of Arbitrators

National Paperboard Association - Later, API

National Paperbox Association (EA)

National Paralegal Association (EA)

National Parenthood Association (NADA)

National Parents Association

National Parking Association (EA)

National Parks Act (SAUS)

National Parks and Access to the Countryside Act - Town planning - British

National Parks Association - Later, NPCA (EA)

National Particleboard Association (EA)

National Pasta Association (EA)

National Patrolmen's Association

National Pawnbrokers Association (EA)

National Payphone Association (EA)

National Peace Academy

National Peace Accord (SAFN)

National Pediculosis Association (EA)

National People's Action (EA)

National Perinatal Association (EA)

National Peripheral Association (EA)

National Personnel Associates

National Pet Association - Defunct (EA)

National Petroleum Association - Later, NPRA

National Pharmaceutical Alliance (NTPA)

National Pharmaceutical Association - Washington, DC

National Phlebotomy Association (EA)

National Phreakers Alliance

National Physician's Association (EA)

National Pigeon Association - Defunct (EA)

National Pilots Association - Defunct (EA)

National Pistol Association - British (DI)

National Pituitary Agency - Later, NHPP

National Planning Association (EA)

National Plastercraft Association (EA)

National Platelet Association (NRGU)

National Playbus Association - British (DBA)

National Podiatry Association - Later, NPMA (EA)

National Poker Association (EA)

National Policy Association (EA)

National Portage Association - British (DBA)

National Ports Authority - British

National Postmasters Auxiliary (EA)

National Poultry Association - Australia

National Prescription Audit

National Preservers Association - Later, International Jelly and Preserve Association (EA)

National Priority Area - Military

National Proctologic Association (EA)

National Production Authority - Functions merged into BDSA, 1953

National Productivity Authority (MHDB)

National Prohibition Act

National Psychological Association - Defunct (EA)

Naval Procurement Account

Navy Postal Affairs Section Publication

Navy Purchasing Activity (AFIT)

Near Point Accommodation - Ophthalmology

Nebraska Pharmacists Association (EARSL)

Neighborhood Publication Area Report - Bureau of the Census (GFGA)

Network Performance Analyzer - Computer science (ITCA)

Network Printer Alliance

Network Professional Association (SAUS)

Network Program Analysis by ADI - Area of Dominant Influence - Arbitron Ratings Co. - Information service or system (CRD)

Neutrons per Absorption (DEN)

New People's Army - Philippines (PD)

New Populist Action - Defunct (EA)

New Product Announcements - Predicasts, Inc. - Cleveland, OH - Information service or system (IID)

Newsletter Publishers Association (NTPA)

Newspaper Publishers' Association - British (DCTA)

Nigel Press Association Ltd. (SAUS)

Nigerian Ports Authority (SAUS)

Nine Pin Association - Schauenburg, Federal Republic of Germany (EAIO)

Nonbuffered Pyrophosphatase Activity

Non-Parallel Application (SAUS)

Non-Par Approved

Non-Partisan Association - Political party - Vancouver, British Columbia, Canada

Non-Performing Assets (CAL)

Non-Principal Axis

No Power Alarm (SAUS)

No Previous Admission - Medicine (MEDA)

No Price Available - Business term (ADA)

Normal Pressure Angle

Northern Phreakers Alliance

Northern Pipeline Agency - Ottawa, ON

North Pacific Airlines (SAUS)

North Plains Area (SARE)

Northwest Perennial Alliance - Pacific Northwest (EARSL)

Notice of Proposed Amendment (DA)

Novel Plasminogen Activator - Anticlotting agent

N-Propylamine - Organic chemistry

Nuclear Plant Analyzer (NRCH)

Numbering Plan Area - Bell System - Telecommunications

Number Plan Area (SAUS)

Numerical Production Analysis (IEEE)

Nurse Practice Act (SAUS)

Pensacola, FL - Location identifier - FAA (FAAL)

PTS - Predicasts, Inc. New Product Announcements/Plus - Information service or system (IID)

Shark Island Skiffs, Newport, NC - Manufacturer code for watercraft hull identification number (USCG)