| NAA | Narrabri Airport | Moree |  Australia |
| NAC | Naracoorte Airport | Mount Gambier | Australia |
| NAD | Macanal Airport | Puerto Carreno |  Colombia |
| NAE | Natitingou Airport | Cotonou |  Benin |
| NAF | Banaina Airport | Tarakan |  Indonesia |
| NAG | Dr. Babasaheb Ambedkar International Airport | Nagpur |  India |
| NAH | Naha Airport | Manado | Indonesia |
| NAI | Annai Airport | Georgetown |  Guyana |
| NAJ | Nakhichevan Airport | Nakhichevan |  Azerbaijan |
| NAK | Nakhon Ratchasima Airport | Buri Ram |  Thailand |
| NAL | Nalchik Airport | Nalchik |  Russian Federation |
| NAM | Namlea Airport | Ambon | Indonesia |
| NAN | Nadi International Airport | Nadi |  Fiji |
| NAO | Nanchong Gaoping Airport | Nanchong |  China |
| NAP | Capodichino Airport | Naples |  Italy |
| NAQ | Qaanaaq Airport | Qaanaaq |  Greenland |
| NAR | Nare Airport | Medellin | Colombia |
| NAS | Lynden Pindling International Airport | Nassau |  Bahamas |
| NAT | Augusto Severo Airport | Natal |  Brazil |
| NAU | Napuka Island Airport | Kauehi |  French Polynesia |
| NAV | Nevsehir Kapadokya Airport | Nevsehir |  Turkey |
| NAW | Narathiwat Airport | Narathiwat | Thailand |
| NAX | Kalaeloa John Rodgers Field Airport | Honolulu |  United States of America |
| NAY | Nanyuan Airport | Beijing | China |
| NAZ | Nana Airport | Santa Ana |  Solomon Islands |
| NBA | Nambaiyufa Airport | Goroka |  Papua New Guinea |
| NBB | Barrancominas Airport | El Yopal | Colombia |
| NBC | Naberevnye Chelny Airport | Naberezhnye Chelny | Russian Federation |
| NBE | Zine El Abidine Ben Ali International Airport | Enfidha |  Tunisia |
| NBG | NAS JRB New Orleans (Alvin Callender Field) | New Orleans | United States of America |
| NBH | Nambucca Heads Airport | Coffs Harbour | Australia |
| NBL | San Blas Airport | Panama City |  Panama |
| NBO | Jomo Kenyatta International Airport | Nairobi |  Kenya |
| NBP | Battery Pk City/N. Cov | New York | United States of America |
| NBR | Nambour Airport | Sunshine Coast | Australia |
| NBV | Cana Brava Airport | Brasilia | Brazil |
| NBW | Guantanamo Bay Naval Base | Guantanamo |  Cuba |
| NBX | Nabire Airport | Kaimana | Indonesia |
| NCA | North Caicos Airport | Providenciales |  Turks and Caicos Islands |
| NCE | Cote D'azur International Airport | Nice |  France |
| NCG | Nueva Casas Grandes Airport | Ciudad Juarez |  Mexico |
| NCH | Nachingwea Airport | Mtwara |  Tanzania |
| NCI | Necocli Airport | Apartado | Colombia |
| NCL | Newcastle Airport | Newcastle | United States of America |
| NCN | New Chenega Airport | Valdez | United States of America |
| NCO | Quonset State Airport | Providence | United States of America |
| NCQ | Atlanta NAS | Atlanta | United States of America |
| NCR | San Carlos Airport | Managua |  Nicaragua |
| NCS | Newcastle Airport | Pietermaritzburg |  South Africa |
| NCT | Guanacaste Airport | Liberia |  Costa Rica |
| NCU | Nukus Airport | Nukus |  Uzbekistan |
| NCY | Annecy-Meythe Airport | Lyon | France |
| NDA | Bandanaira Airport | Ambon | Indonesia |
| NDB | Nouadhibou Airport | Nouadhibou |  Mauritania |
| NDC | Nanded Airport | Aurangabad | India |
| NDD | Sumbe Airport | Catumbela |  Angola |
| NDE | Mandera Airport | Wajir | Kenya |
| NDF | Ndalatandos Airport | Lubango | Angola |
| NDG | Qiqihar Airport | Qiqihar | China |
| NDI | Namudi Airport | Popondetta | Papua New Guinea |
| NDJ | Ndjamena Airport | Ndjamena |  Chad |
| NDK | Namdrik Island Airport | Kwajalein |  Marshall Islands |
| NDL | Ndele Airport | Bangui |  Central African Republic |
| NDM | Mendi Airport | Asosa | Papua New Guinea |
| NDN | Nadunumu Airport | Port Moresby | Papua New Guinea |
| NDO | La Palma Del Condado Airport | Huelva |  Spain |
| NDR | Nador Airport | Nador |  Morocco |
| NDS | Sandstone Airport | Kalgoorlie | Australia |
| NDU | Rundu Airport | Ondangwa |  Namibia |
| NDY | Sanday | Sanday |  United Kingdom of Great Britain and Northern Ireland |
| NDZ | Cuxhaven Airport | Bremen |  Germany |
| NEA | Brunswick Golden Isles Airport | Brunswick | United States of America |
| NEC | Necochea Airport | Mar Del Plata |  Argentina |
| NEF | Neftekamsk Airport | Izhevsk | Russian Federation |
| NEG | Negril Airport | Montego Bay |  Jamaica |
| NEJ | Nejjo Airport | Asosa |  Ethiopia |
| NEK | Nekemt Airport | Jimma | Ethiopia |
| NEL | NAES Lakehurst (Maxfield Field) | Wrightstown | United States of America |
| NEN | Olf Usn Airport | Jacksonville | United States of America |
| NER | Neryungri Airport | Neryungri | Russian Federation |
| NES | East 34th St Landing Airport | New York | United States of America |
| NET | New Bight Airport | George Town | Bahamas |
| NEU | Sam Neua Airport | Oudomxay |  Lao People's Democratic Republic |
| NEV | Vance Winkworth Amory International Airport | Nevis |  Saint Kitts and Nevis |
| NEW | Lakefront | New Orleans | United States of America |
| NFG | Nefteyugansk | Surgut | Russian Federation |
| NFL | NAS Fallon (Van Voorhis Field) | Reno | United States of America |
| NFR | Nafoora Airport | Beida |  Libya |
| NGA | Young Airport | Parkes | Australia |
| NGB | Lishe International Airport | Ningbo | China |
| NGC | North Rim | Flagstaff | United States of America |
| NGD | Captain Auguste George Airport | Virgin Gorda |  Virgin Islands (British) |
| NGE | Ngaoundere Airport | Garoua |  Cameroon |
| NGI | Ngau Island Airport | Lakeba | Fiji |
| NGL | Ngala Airfield Airport | Ngala | South Africa |
| NGM | Agana NAS | Guam |  Guam |
| NGN | Nargana Airport | Panama City | Panama |
| NGO | Chubu Centrair International Airport | Nagoya |  Japan |
| NGP | NAS Corpus Christi (Truax Field) | Corpus Christi | United States of America |
| NGR | Ningerum Airport | Tabubil | Papua New Guinea |
| NGS | Nagasaki Airport | Nagasaki | Japan |
| NGU | NS Norfolk (Chambers Field) | Norfolk | United States of America |
| NGV | Ondjiva Pereira Airport | Lubango | Angola |
| NGW | NOLF Cabaniss Field | Corpus Christi | United States of America |
| NGX | Manang Airport | Pokhara |  Nepal |
| NHA | Nha Trang Airport | Nha Trang |  Viet Nam |
| NHD | Minhad AB Airport | Dubai |  United Arab Emirates |
| NHF | New Halfa Airport | Kassala |  Sudan |
| NHK | NAS Patuxent River (Trapnell Field) | Camp Springs | United States of America |
| NHS | Nushki Airport | Quetta |  Pakistan |
| NHT | Northolt Airport | London | United Kingdom of Great Britain and Northern Ireland |
| NHV | Nuku Hiva Airport | Nuku Hiva | French Polynesia |
| NHX | Barin Olf Osn Airport | Pensacola | United States of America |
| NHZ | Brunswick Executive Airport | Portland | United States of America |
| NIA | Nimba Airport | Monrovia |  Liberia |
| NIB | Nikolai Airport | McGrath | United States of America |
| NIC | Nicosia International Airport | Ercan |  Cyprus |
| NIE | Niblack Airport | Ketchikan | United States of America |
| NIF | Nifty Airport | Nifty | Australia |
| NIG | Nikunau Airport | Tarawa |  Kiribati |
| NIK | Niokolo Koba Airport | Dakar |  Senegal |
| NIM | Niamey Airport | Niamey |  Niger |
| NIN | Ninilchik Airport | Homer | United States of America |
| NIO | Nioki Airport | Kinshasa |  Congo (Democratic Republic of the) |
| NIP | NAS Jacksonville (Towers Field) | Jacksonville | United States of America |
| NIR | Chase Field Industrial Complex | Corpus Christi | United States of America |
| NIS | Simberi Airport | Lae | Papua New Guinea |
| NIT | Niort Airport | Poitiers | France |
| NIX | Nioro Airport | Bamako |  Mali |
| NJA | Naval Air Facility Atsugi | Tokyo | Japan |
| NJC | Nizhnevartovsk Airport | Nizhnevartovsk | Russian Federation |
| NJK | NAF El Centro | Imperial | United States of America |
| NKA | Nkan Airport | Libreville |  Gabon |
| NKB | Noonkanbah Airport | Broome | Australia |
| NKC | Nouakchott Airport | Nouakchott | Mauritania |
| NKD | Sinak Airport | Wamena | Indonesia |
| NKG | Lukou International Airport | Nanjing | China |
| NKI | Naukiti Airport | Klawock | United States of America |
| NKL | Nkolo-Fuma Airport | Kinshasa | Congo (Democratic Republic of the) |
| NKM | Komaki AFB | Nagoya | Japan |
| NKN | Nankina Airport | Lae | Papua New Guinea |
| NKS | Nkongsamba Airport | Douala | Cameroon |
| NKU | Nkaus Airport | Maseru |  Lesotho |
| NKV | Nichen Cove Airport | Klawock | United States of America |
| NKX | MCAS Miramar | San Diego | United States of America |
| NKY | Nkayi Airport | Pointe Noire |  Congo |
| NLA | Ndola Airport | Ndola |  Zambia |
| NLC | NAS Lemoore (Reeves Field) | Fresno | United States of America |
| NLD | International Quetzalcoatl Airport | Nuevo Laredo | Mexico |
| NLE | Jerry Tyler Memorial Airport | South Bend | United States of America |
| NLF | Darnley Island Airport | Horn Island | Australia |
| NLG | Nelson Lagoon Airport | Port Moller | United States of America |
| NLK | Norfolk Island Airport | Norfolk Island |  Norfolk Island |
| NLL | Nullagine Airport | Nifty | Australia |
| NLP | Nelspruit Airport | Nelspruit | South Africa |
| NLS | Nicholson Airport | Kununurra | Australia |
| NLU | Santa Lucía Air Force Base Num 1 | Mexico City | Mexico |
| NLV | Nikolaev (Mykolaiv) Airport | Kherson |  Ukraine |
| NMA | Namangan Airport | Namangan | Uzbekistan |
| NMB | Daman Airport | Surat Gujarat | India |
| NME | Nightmute Airport | Nightmute | United States of America |
| NMG | San Miguel Airport | Panama City | Panama |
| NMN | Nomane Airport | Goroka | Papua New Guinea |
| NMP | New Moon Airport | Winton | Australia |
| NMR | Nappa Merry Airport | Broken Hill | Australia |
| NMS | Namsang Airport | Heho |  Myanmar |
| NMT | Namtu Airport | Mandalay | Myanmar |
| NMU | Namu Airport | Kwajalein | Marshall Islands |
| NNA | Kenitra Air Base | Rabat | Morocco |
| NNB | Santa Ana Airport | Santa Ana | Solomon Islands |
| NND | Nangade Airport | Pemba |  Mozambique |
| NNG | Nanning Airport | Nanning | China |
| NNI | Namutoni Airport | Ondangwa | Namibia |
| NNK | Naknek Airport | King Salmon | United States of America |
| NNL | Nondalton Airport | Iliamna | United States of America |
| NNM | Naryan-Mar Airport | Naryan-Mar | Russian Federation |
| NNR | Connemara Airport | Shannon |  Ireland |
| NNT | Nan Nakorn Airport | Nan | Thailand |
| NNU | Nanuque Airport | Porto Seguro | Brazil |
| NNX | Nunukan Airport | Tarakan | Indonesia |
| NNY | Nanyang Airport | Nanyang | China |
| NOA | Nowra Airport | Moruya | Australia |
| NOB | Nosara Beach Airport | Liberia | Costa Rica |
| NOC | Ireland West Airport Knock | Knock | Ireland |
| NOD | Norddeich Airport | Muenster | Germany |
| NOE | Norddeich Airport | Muenster | Germany |
| NOG | Nogales International Airport | Hermosillo | Mexico |
| NOI | Novorossijsk Airport | Gelendzik | Russian Federation |
| NOJ | Nojabrxsk Airport | Nojabrxsk | Russian Federation |
| NOK | Nova Xavantina Airport | Rondonopolis | Brazil |
| NOL | Nakolik River Airport | Santa Rosa | United States of America |
| NOM | Nomad River Airport | Tari | Papua New Guinea |
| NON | Nonouti Airport | Tarawa | Kiribati |
| NOO | Naoro Airport | Port Moresby | Papua New Guinea |
| NOR | Nordfjordur Airport | Egilsstadir |  Iceland |
| NOS | Fascene Airport | Nossi-be |  Madagascar |
| NOT | Novato Airport | San Francisco | United States of America |
| NOU | La Tontouta International Airport | Noumea |  New Caledonia |
| NOV | Huambo Airport | Catumbela | Angola |
| NOZ | Novokuznetsk Airport | Novokuznetsk | Russian Federation |
| NPA | NAS Pensacola (Forrest Sherman Field) | Pensacola | United States of America |
| NPE | Hawkes Bay Airport | Napier |  New Zealand |
| NPG | Nipa Airport | Mendi | Papua New Guinea |
| NPH | Nephi Airport | Provo | United States of America |
| NPL | New Plymouth Airport | New Plymouth | New Zealand |
| NPO | Nangapinoh Airport | Sorong | Indonesia |
| NPP | Napperby Airport | Alice Springs | Australia |
| NPT | State Airport | Providence | United States of America |
| NPU | San Pedro Uraba Airport | Armenia | Colombia |
| NQA | Millington-Memphis Airport | Memphis | United States of America |
| NQI | NAS Kingsville | Corpus Christi | United States of America |
| NQL | Niquelandia Airport | Brasilia | Brazil |
| NQN | Presidente Peron International Airport | Neuquen | Argentina |
| NQT | Nottingham Airport | Leicestershire | United Kingdom of Great Britain and Northern Ireland |
| NQU | Nuqui Airport | Quibdo | Colombia |
| NQX | NAS Key West (Boca Chica Field) | Key West | United States of America |
| NQY | Newquay Cornwall Airport | Newquay | United Kingdom of Great Britain and Northern Ireland |
| NRA | Narrandera | Narrandera | Australia |
| NRB | Naval Station Mayport Mayport (Admiral David L. McDonald Field) | Jacksonville | United States of America |
| NRC | NASA Crows Landing Airport | Modesto | United States of America |
| NRD | Norderney Airport | Westerland | Germany |
| NRE | Namrole Airport | Ambon | Indonesia |
| NRG | Narrogin Airport | Perth | Australia |
| NRI | Grand Lake Regional Airport | Joplin | United States of America |
| NRK | Kungsangen Airport | Norrkoping |  Sweden |
| NRL | North Ronaldsay Airport | North Ronaldsay | United Kingdom of Great Britain and Northern Ireland |
| NRM | Nara Airport | Bamako | Mali |
| NRN | Weeze Airport | Dusseldorf | Germany |
| NRR | Jose Aponte de la Torre Airport | Vieques |  Puerto Rico |
| NRS | Naval Outlying Landing Field Imperial Beach (Ream Field) | San Diego | United States of America |
| NRT | Narita International Airport | Tokyo | Japan |
| NRV | USCG Shore Station Airport | Guam | Guam |
| NRY | Newry Airport | Kununurra | Australia |
| NSA | Noosa Airport | Sunshine Coast | Australia |
| NSB | North Seaplane Base | Bimini | Bahamas |
| NSE | NAS Whiting Field – North | Pensacola | United States of America |
| NSF | Andrews NAF | Camp Springs | United States of America |
| NSH | Now Shahr Airport | Now Shahr |  Iran (Islamic Republic of) |
| NSI | Nsimalen International | Yaounde | Cameroon |
| NSK | Norilsk Airport | Noril'sk | Russian Federation |
| NSM | Norseman Airport | Kalgoorlie | Australia |
| NSN | Nelson Airport | Nelson | New Zealand |
| NSO | Scone Airport | Tamworth | Australia |
| NSP | Danilo Atienza Air Base | Manila |  Philippines |
| NST | Nakhon Si Thammarat Airport | Nakhon Si Thammarat | Thailand |
| NSV | Noosaville Airport | Sunshine Coast | Australia |
| NSY | Naval Air Station Sigonella | Sigonella | Italy |
| NTA | Natadola Seaplane Base | Nadi | Fiji |
| NTB | Notodden Airport | Notodden |  Norway |
| NTC | Santa Carolina Airport | Vilanculos | Mozambique |
| NTD | NAS Point Mugu (Naval Base Ventura County) | Santa Barbara | United States of America |
| NTE | Nantes Atlantique Airport | Nantes | France |
| NTG | Nantong Airport | Nantong | China |
| NTI | Bintuni Airport | Manokwari | Indonesia |
| NTJ | Manti-Ephraim Airport | Provo | United States of America |
| NTL | Newcastle Airport / RAAF Base Williamtown | Newcastle | United States of America |
| NTM | Miracema Do Norte Airport | Palmas | Brazil |
| NTN | Normanton Airport | Normanton | Australia |
| NTO | Agostinho Neto Airport | Sao Vicente |  Cabo Verde |
| NTQ | Noto Airport | Wajima | Japan |
| NTR | Aeropuerto del Norte International Airport | Monterrey | Colombia |
| NTT | Niuatoputapu Airport/Mataaho Airport | Vava'u |  Tonga |
| NTU | NAS Oceana (Apollo Soucek Field) | Norfolk | United States of America |
| NTX | Natuna Ranai Airport | Tanjung Pinang | Indonesia |
| NTY | Pilanesberg Airport | Sun City | South Africa |
| NUB | Numbulwar Airport | Groote Island | Australia |
| NUD | En Nahud Airport | El Fasher | Sudan |
| NUE | Nuremberg Airport | Nuremberg | Germany |
| NUF | Castlereigh Reservoir | Kandy |  Sri Lanka |
| NUG | Nuguria Airport | Rabaul | Papua New Guinea |
| NUH | Nunchia Airport | El Yopal | Colombia |
| NUI | Nuiqsut Airport | Nuiqsut | United States of America |
| NUJ | Hamedan Air Base (Nogeh Airport) | Hamadan | Iran (Islamic Republic of) |
| NUK | Nukutavake Airport | Kauehi | French Polynesia |
| NUL | Nulato Airport | Nulato | United States of America |
| NUN | NOLF Saufley Field | Pensacola | United States of America |
| NUP | Nunapitchuk Airport | Kasigluk | United States of America |
| NUQ | Moffett Federal Airfield | San Jose | United States of America |
| NUR | Nullarbor Airport | Ceduna | Australia |
| NUS | Norsup Airport | Norsup |  Vanuatu |
| NUT | Nutuve Airport | Rabaul | Papua New Guinea |
| NUU | Nakuru Airport | Eldoret | Kenya |
| NUW | Whidbey Island NAS (Ault Field) | Friday Harbor | United States of America |
| NUX | Novy Urengoy Airport | Novyj Urengoj | Russian Federation |
| NVA | La Marguita Airport | Neiva | Colombia |
| NVD | Nevada Municipal Airport | Joplin | United States of America |
| NVG | Nueva Guinea Airport | Managua | Nicaragua |
| NVI | Navoi International Airport | Navoi | Uzbekistan |
| NVK | Framnes Airport | Harstad-Narvik | Norway |
| NVP | Novo Aripuana Airport | Manaus | Brazil |
| NVR | Novgorod Airport | Saint Petersburg | Russian Federation |
| NVS | Nevers - Fourchambault Airport | Clermont-Ferrand | France |
| NVT | Navegantes Airport | Navegantes | Brazil |
| NVY | Neyveli Airport | Tiruchirappalli | India |
| NWA | Moheli Airport | Moroni |  Comoros |
| NWH | Parlin Field Airport | Lebanon | United States of America |
| NWI | Norwich International Airport | Norwich | United Kingdom of Great Britain and Northern Ireland |
| NWP | NS Airport | St. John's |  Canada |
| NWS | Pier 11/Wall St. SPB | New York | United States of America |
| NWT | Nowata Airport | Alotau | Papua New Guinea |
| NXX | Willow Grove NAS | Philadelphia | United States of America |
| NYA | Nyagan Airport | Nyagan | Russian Federation |
| NYE | Nyeri Airport | Nairobi | Kenya |
| NYG | MCAF Quantico (Turner Field) | Washington | United States of America |
| NYI | Sunyani Airport | Kumasi |  Ghana |
| NYK | Nanyuki Airport | Meru | Kenya |
| NYM | Nadym Airport | Nadym | Russian Federation |
| NYN | Nyngan Airport | Dubbo | Australia |
| NYO | Skavsta | Stockholm | Papua New Guinea |
| NYU | Nyaung-u Airport | Nyaung-u | Myanmar |
| NZA | Nzagi | Catumbela | Angola |
| NZE | Nzerekore Airport | Conakry |  Guinea |
| NZH | Manzhouli Airport | Manzhouli | China |
| NZO | Nzoia Airport | Kisumu | Kenya |
| NZW | South Weymouth Airport | Boston | United States of America |
| NZY | North Island NAS | San Diego | United States of America |