List of airports by ICAO code: O explained

Format of entries is:

ICAO (IATA) - Airport Name - Airport Location

OA - Afghanistan

OAAK - Andkhoy Airport - Andkhoy, Faryab
OABN (BIN) - Bamyan Airport (Shahid Mazari Airport) - Bamyan
OABT (BST) - Bost Airport - Lashkargah
OACC (CCN) - Chaghcharan Airport - Chaghcharan
OADS (SBF) - Sardeh Band Airport - Sardeh Band, Ghazni
OADY - Dwyer Airport (military) - Lashkargah
OADZ (DAZ) - Darwaz Airport - Darwaz
OAEM - Eshkashem Airport - Ishkashim, Badakhshan
OAFR (FAH) - Farah Airport - Farah
OAFZ (FBD) - Fayzabad Airport - Fayzabad

OAGA - Ghaziabad Airport - Ghaziabad, Nangarhar
OAGN (GZI) - Ghazni Airport - Ghazni
OAGZ (GRG) - Gardez Airport - Gardez, Paktia
OAHN (KWH) - Khwahan Airport - Khwahan
OAHR (HEA) - Herat International Airport (Khwaja Abdullah Ansari International Airport) - Herat
OAIX (OAI) - Bagram Airfield - Bagram near Charikar
OAJL (JAA) - Jalalabad Airport - Jalalabad (currently military only - new civilian airport being planned)
OAKB (KBL) - Kabul International Airport (Khwaja Rawash Airport) - Kabul
OAKN (KDH) - Ahmad Shah Baba International Airport - Kandahar
OAKS (KHT) - Khost Airport - Khost
OAMK - Muqur Airport - Muqur
OAMN (MMZ) - Maymana Airport - Maymana
OAMS (MZR) - Mawlānā Jalāl ad-Din Muhammad Balkhī International Airport - Mazar-i-Sharif
OANL - Nili Airport - Nili, Daykundi
OAON (URN) - Urgun Airport - Urgun, Paktia
OAPJ - Panjab Airport - Panjab, Bamyan
OAQA (APH) - Qalat Airport - Qalat, Zabul Province
OAQN (LQN) - Qala i Naw Airport (Qala Nau Airport) - Qala i Naw
OARG (URZ) - Uruzgan Airport - Khas Uruzgan District, Uruzgan Province
OARZ (KUR) - Razer Airport - Kuran wa Munjan, Badakhshan
OASA (OAS) - Sharana Airstrip - Sharana, Paktia
OASD (OAH) - Shindand Air Base - Shindand, Herat (military)
OASG - Sheberghan Airfield - Jowzjan Province
OASL (OLR) - Forward Operating Base Salerno - Khost
OASN (SGA) - Sheghnan Airport - Shighnan
OATN (TII) - Tarinkot Airport - Tarinkot (Tereen)
OATQ (TQN) - Taloqan Airport - Taloqan
OATW - Taywara Airport - Taywara
OAUZ (UND) - Kunduz Airport - Kunduz
OAYQ - Yangi Qaleh Airport - Yangi Qala District, Takhar Province
OAYW - Yawan Airport - Yawan District, Badakhshan
OAZI - Camp Bastion Airfield - Helmand near Lashkargah (military)
OAZJ (ZAJ) - Zaranj Airport - Zaranj

OB - Bahrain

OBBI (BAH) - Bahrain International Airport - Manama
OBBS - Sheik Isa Air Base

OE - Saudi Arabia

OEAA - Abu Ali Airport - Jubail (owned by Aramco)
OEAB (AHB) - Abha International Airport - Abha
OEAH (HOF) - al-Ahsa International Airport - Hofuf
OEAO (ULH) - Prince Abdul Majeed bin Abdulaziz International Airport - Al-'Ula
OEBA (ABT) - al-Baha Domestic Airport - al-Baha
OEBH (BHH) - Bisha Domestic Airport - Bisha
OEBQ - Abqaiq Airport - Abqaiq (owned by Aramco)
OEDF (DMM) - King Fahd International Airport - Dammam
OEDR (DHA) - King Abdulaziz Air Base (formerly Dhahran International Airport) - Dhahran
OEDW - Dawadmi Domestic Airport - Dawadmi
OEGN (GIZ) - Jizan Regional Airport (King Abdullah bin Abdulaziz Airport) - Gizan (also known as Jizan or Jazan.)
OEGS (ELQ) - Prince Naif bin Abdulaziz International Airport - Buraidah, Gassim (also known as al Gassim or al Qasim)
OEGT (URY) - Gurayat Domestic Airport - Gurayat (also known as Guriat)
OEHL (HAS) - Ha'il Regional Airport - Ha'il
OEHR - Haradh Airport - Haradh (owned by Aramco)
OEJB (QJB) - Jubail Airport - Jubail
OEJF - King Abdulaziz Naval Base - Jubail
OEJL - King Faisal Naval Base - Jeddah
OEJN (JED) - King Abdulaziz International Airport - Jeddah
OEKK (KMC) - King Khaled Military City Airport - King Khalid Military City
OEKM (KMX) - King Khalid Air Base - Khamis Mushait
OEKN - Khurais Airport - Khurais (owned by Aramco)
OEMA (MED) - Prince Mohammad bin Abdulaziz International Airport - Medina (Mecca)
OENG (EAM) - Najran Domestic Airport - Najran (also known as Nejran)
OENN (NUM) - Neom Bay Airport - Neom
OEPA (AQI) - Al Qaisumah/Hafr Al Batin Airport - Qaisumah (also known as Qaysumah)
OEPK - IPSA-3 Airport - Al-Sadawi (owned by Aramco)
OERF (RAH) - Rafha Domestic Airport - Rafha
OERK (RUH) - King Khalid International Airport - Riyadh
OERM - Ras Mishab Airport - Ras Mishab (military)
OERR (RAE) - Arar Domestic Airport - Arar (also known as Ar'ar)
OERT - Ras Tanura Airport - Ras Tanura (owned by Aramco)
OERY - Riyadh Air Base - Riyadh (formerly Riyadh International Airport)
OESB - Shaybah Airport - Shaybah (owned by Aramco)
OESH (SHW) - Sharurah Domestic Airport - Sharurah (also known as Sharorah)
OESK (AJF) - Al-Jouf Domestic Airport - al-Jouf (also known as al-Jawf)
OETB (TUU) - Tabuk Regional Airport (Prince Sultan bin Abdulaziz Airport) - Tabuk
OETF (TIF) - Ta’if Regional Airport - Ta’if
OETH - Thumamah Airport - Ath Thumamah
OETN - Ras Tanajib Airport - Tanajib (owned by Aramco)
OETR (TUI) - Turaif Domestic Airport - Turaif
OEUD - Udhayliyah Airport - Udhailiyah (owned by Aramco)
OEWD (WAE) - Wadi al-Dawasir Domestic Airport - Wadi al-Dawasir
OEWJ (EJH) - Al Wajh Domestic Airport - Wedjh (also known as Wejh)
OEYN (YNB) - Yanbu Airport (Prince Abdul Mohsin Bin Abdulaziz International Airport) - Yanbu (also known as Yenbo)

OI - Iran

OIAA (ABD) - Ayatollah Jami International Airport - Abadan
OIAD (DEF) - Dezful Airport - Dezful
OIAE - Behbahan Airport - Behbahan
OIAH (GCH) - Gachsaran Airport - Dogonbadan
OIAI - Shahid Asiyaee Airport - Masjed Soleyman
OIAJ (OMI) - Omidiyeh Air Base - Omidiyeh
OIAM (MRX) - Mahshahr Airport - Mahshahr
OIAW (AWZ) - Ahvaz International Airport (Lieutenant General Qasem Soleimani International Airport) - Ahwaz
OIBA (AEU) - Abu Musa Airport - Abu Musa
OIBB (BUZ) - Bushehr Airport - Bushehr
OIBH (IAQ) - Bastak Air Base - Bastak
OIBI (YEH) - Asalouyeh Airport – Asalouyeh (military)
OIBJ (KNR) - Jam Airport - Bandar Kangan
OIBK (KIH) - Kish International Airport - Kish Island
OIBL (BDH) - Bandar Lengeh Airport - Bandar Lengeh
OIBP (PGU) - Persian Gulf Airport – Khalije Fars, Assaluyeh
OIBQ (KHK) - Khark Airport - Kharg
OIBS (SXI) - Sirri Island Airport - Sirri Island
OIBV (LVP) - Lavan Airport - Lavan Island
OIBX - Tunb Airport - Greater and Lesser Tunbs
OICC (KSH) - Kermanshah Airport (Shahid Ashrafi Esfahani Airport) - Kermanshah
OICD - Abdanan Airport – Abdanan
OICI (IIL) - Ilam Airport – Ilam
OICK (KHD) - Khorramabad International Airport - Khorramabad
OICS (SDG) - Sanandaj Airport - Sanandaj
OIFE (IFH) - Hesa Air Base - Isfahan (Esfahan)
OIFK (KKS) - Kashan Airport - Kashan
OIFP - Badr Air Base - Isfahan (Esfahan)
OIFM (IFN) - Isfahan International Airport (Esfahan Shahid Beheshti Int'l) - Isfahan (Esfahan)
OIFS (CQD) - Shahrekord International Airport – Shahrekord
OIGG (RAS) - Rasht Airport (Sardar Jangal Airport) - Rasht
OIHH (HDM) - Hamadan International Airport - Hamadan
OIHR (AJK) - Arak International Airport - Arak
OIHS (NUJ) - Hamedan Air Base (Shahrokhi Air Base) - Hamadan
OIIA - Qazvin-Azadi Airport - Qarpuzabad
OIIC - Kushke Nosrat Airport - Qom Province
OIID - Doshan Tappeh Air Base - Tehran
OIIE (IKA) - Imam Khomeini International Airport - Tehran
OIIG - Ghale Morghi Airport - Tehran
OIII (THR) - Mehrabad International Airport - Tehran
OIIK (GZW) - Qazvin Airport - Qazvin
OIIP (PYK) - Payam International Airport - Karaj
OIIQ - Qom International Airport - Qom (under construction)
OIIR - Garmsar Airport - Garmsar
OIIS (SNX) - Semnan Municipal Airport - Semnan
OIKB (BND) - Bandar Abbas International Airport - Bandar Abbas
OIKJ (JYR) - Jiroft Airport – Jiroft
OIKK (KER) - Kerman Airport (Ayatollah Hashemi Rafsanjani Airport) - Kerman
OIKM (BXR) - Bam Airport - Bam
OIKP (HDR) - Havadarya Airport - Bandar Abbas
OIKQ (GSM) - Qeshm International Airport – Dayrestan
OIKR (RJN) - Rafsanjan Airport - Rafsanjan
OIKY (SYJ) - Sirjan Airport - Sirjan
OIMB (XBJ) - Birjand Airport - Birjand
OIMC (CKT) - Sarakhs Airport - Sarakhs
OIMJ (RUD) - Shahroud Airport - Shahrud
OIMM (MHD) - Mashhad International Airport (Shahid Hashemi Nejad Airport) - Mashhad
OIMN (BJB) - Bojnourd Airport - Bojnourd
OIMQ - Kashmar UltraLight Airport - Kashmar
OIMS (AFZ) - Sabzevar Airport – Sabzevar
OIMT (TCX) - Tabas Airport - Tabas
OIND - Babolsar Airport – Babolsar
OINE (KLM) - Kalaleh Airport – Kalaleh
OING (GBT) - Gorgan Airport – Gorgan
OINJ (BSM) - Bishe Kola Air Base – Amol
OINN (NSH) - Noshahr Airport – Noshahr
OINR (RZR) - Ramsar International Airport - Ramsar
OINZ (SRY) - Dasht-e Naz Airport - Sari
OISA - Abadeh Airport - Abadeh
OISD - Darab Airport - Darab
OISF (FAZ) - Fasa Airport - Fasa
OISJ (JAR) - Jahrom Airport - Jahrom
OISL (LRR) - Larestan International Airport – Lar
OISO - Zarqan Airport – Zarqan
OISR (LFM) - Lamerd International Airport – Lamerd
OISS (SYZ) - Shiraz International Airport (Shiraz Shahid Dastghaib Int'l) - Shiraz
OISY (YES) - Yasuj Airport – Yasuj
OISZ - Firuzabad Airport – Firuzabad
OITH (KHA) - Khaneh Airport – Piranshahr (Khaneh)
OITK (KHY) - Khoy Airport – Khoy
OITL (ADU) - Ardabil Airport - Ardabil
OITP (PFQ) - Parsabad-Moghan Airport – Parsabad
OITR (OMH) - Urmia Airport – Urmia
OITT (TBZ) - Tabriz International Airport - Tabriz
OITU (IMQ) - Maku International Airport - Maku
OITZ (JWN) - Zanjan Airport - Zanjan
OIYY (AZD) - Shahid Sadooghi Airport - Yazd
OIZB (ACZ) - Zabol Airport - Zabol
OIZC (ZBR) - Chabahar/Konarak International Airport - Chabahar
OIZH (ZAH) - Zahedan International Airport - Zahedan
OIZI (IHR) - Iranshahr Airport - Iranshahr
OIZJ (JSK) - Jask Airport - Jask
OIZS - Saravan Airport - Saravan

OJ - Jordan

OJAI (AMM) - Queen Alia International Airport - Amman
OJAM (ADJ) - Marka International Airport - Amman
OJAQ (AQJ) - King Hussein International Airport - Aqaba
~~OJJR~~ (~~JRS~~) - ~~Jerusalem International Airport~~, under Jordan from 1948 till 1967, closed since the Second Intifada - West Bank
OJMF (OMF) - King Hussein Air Base, Mafraq - Mafraq Governorate

OK - Kuwait

OKAJ - Ahmad al-Jaber Air Base
OKAS - Ali Al Salem Air Base
OKKK (KWI) - Kuwait International Airport - Al-Maqwa, near Kuwait City
OKDI - Udairi Army Airfield - Camp Buehring

OL - Lebanon

OLBA (BEY) - Beirut Air Base/Rafic Hariri International Airport (formerly Beirut International Airport) - Beirut
OLKA (KYE) - Rene Mouawad Air Base - Kleyate
OLRA - Rayak Air Base - Rayak

OM - United Arab Emirates

OMAA (AUH) - Abu Dhabi International Airport - Abu Dhabi
OMAB - Buhasa Airport - Buhasa
OMAD (AZI) - Bateen Airport - Abu Dhabi
OMAF - Futaysi Airport - Al Futaisi
OMAJ - Jebel Dhana Airport - Jebel Dhana
OMAL (AAN) - Al Ain International Airport - Al Ain
OMAM (DHF) - Al Dhafra Air Base - Muqatra
OMAQ - Qarnayn Airport - Qarnayn
OMAR - Arzanah Airport - Arzanah
OMAS - Das Island Airport - Das Island
OMAZ (AUH) - Zirku Airport - Zirku Island
OMBY (XSB) - Sir Bani Yas Airport - Sir Bani Yas
OMDB (DXB) - Dubai International Airport - Dubai
OMDL (ZDY) - Dalma Airport - Dalma
OMDM (NHD) - Al Minhad Air Base - Dubai
OMDW (DWC) - Al Maktoum International Airport (Dubai World Central Airport) - Dubai
OMFJ (FJR) - Fujairah International Airport - Fujairah
OMNK (XXX) - Sas Al Nakheel Air Base - Abu Dhabi
OMRJ - Al Jazeirah Airport (private) - Al Jazirah Al Hamra
OMRK (RKT) - Ras Al Khaimah International Airport - Ras al-Khaimah
OMRS - Al Saqr Field Airport (private) - Ras al-Khaimah
OMSJ (SHJ) - Sharjah International Airport - Sharjah

OO - Oman

OOAD (AOM) - Adam Airport (proposed civil airport) - Adam
OOBB - Butabul Airport - Ramlat Bu Tabul
OOBR (RMB) - Buraimi Airport - Al-Buraimi
OODQ (DQM) - Duqm International Airport - Duqm
OOFD (FAU) - Fahud Airport - Fahud
OOGB (RNM) - Qarn Alam Airport - Qarn Alam
OOHA - Haima Airport - Haima
OOIA - Ibra Airport - Ibra
OOII - Ibri Airport - Ibri
OOIZ - Izki Air Base - Izki
OOJA (JNJ) - Ja'Aluni Airport - Duqm
OOKB (KHS) - Khasab Airport/Khasab Air Base - Khasab
OOLK (LKW) - Lekhwair Airport - Lekhwair
OOMA (MSH) - RAFO Masirah - Masirah
OOMK (UKH) - Mukhaizna Airport - Mukhaizna Oil Field
OOMN - RAFO Musannah - Barka
OOMS (MCT) - Muscat International Airport - Muscat
OOMX (OMM) - Marmul Airport - Marmul Heavy Oil Field
OORH - Ras al Hadd Airport - Ras al Hadd
OORQ (MNH) - Rustaq Airport - Rustaq
OOSA (SLL) - Salalah International Airport - Salalah
OOSH (OHS) - Sohar International Airport - Sohar
OOSQ - Saiq Airport - Saiq
OOSR (SUH) - Sur Airport - Sur
OOTH (TTH) - RAFO Thumrait - Thumrait
OOYB - Yibal Airport - Yibal

OP - Pakistan

OPBN (BNP) - Bannu Airport - Bannu
OPBW (BHV) - Bahawalpur Airport - Bahawalpur
OPCH (CJL) - Chitral Airport - Chitral
OPCL (CHB) - Chilas Airport - Chilas
OPDB (DBA) - Dalbandin Airport - Dalbandin
OPDG (DEA) - Dera Ghazi Khan Airport - Dera Ghazi Khan
OPDI (DSK) - Dera Ismail Khan Airport - Dera Ismail Khan
OPFA (LYP) - Faisalabad International Airport - Faisalabad
OPGD (GWD) - Gwadar International Airport - Gwadar
OPGT (GIL) - Gilgit Airport - Gilgit
OPIS (ISB) - Islamabad International Airport - Islamabad-Rawalpindi
OPJA (JAG) - PAF Base Shahbaz (Jacobabad Airport) - Jacobabad
OPJI (JIW) - Jiwani Airport - Jiwani
OPKC (KHI) - Jinnah International Airport - Karachi
OPKD (HDD) - Hyderabad Airport - Hyderabad
OPKH (KDD) - Khuzdar Airport - Khuzdar
OPKT (OHT) - PAF Base Kohat - Kohat
OPKW (KCF) - Kadanwari Airport - Kadanwari gas field
OPLA (LHE) - Allama Iqbal International Airport - Lahore
OPLH - Walton Airport - Lahore
OPMA (XJM) - Mangla Airport - Mangla
OPMF (MFG) - Muzaffarabad Airport - Muzaffarabad
OPMI (MWD) - PAF Base M.M. Alam - Mianwali
OPMJ (MJD) - Moenjodaro Airport - Mohenjo-daro
OPMP (MPD) - Sindhri Airport - Sindhri
OPMR (MSR) - PAF Base Masroor (Karachi Air Base) - Karachi
OPMS (MNS) - PAF Base Minhas (Kamra Air Base) - Kamra
OPMT (MUX) - Multan International Airport - Multan
OPNH (WNS) - Nawabshah Airport - Nawabshah
OPOR (ORW) - Ormara Airport - Ormara
OPPC (PAJ) - Parachinar Airport - Parachinar
OPPG (PJG) - Panjgur Airport - Panjgur
OPPI (PSI) - Pasni Airport - Pasni City
OPPS (PEW) - Bacha Khan International Airport - Peshawar
OPQS (DHM) - Dhamial Army Airbase - Rawalpindi
OPQT (UET) - Quetta International Airport - Quetta
OPRK (RYK) - Shaikh Zayed International Airport - Rahim Yar Khan
OPRN (NRK) - PAF Base Nur Khan - Rawalpindi
OPRQ (RAF) - PAF Base Rafiqui (Shorkot Air Base) - Shorkot
OPRS - PAF Academy - Risalpur
OPRT (RAZ) - Rawalakot Airport - Rawalakot
OPSF (FSL) - PAF Base Faisal - Karachi
OPSB (SBQ) - Sibi Airport - Sibi
OPSD (KDU) - Skardu Airport - Skardu
OPSK (SKD) - Sukkur Airport (Begum Nusrat Bhutto Airport Sukkur) - Sukkur
OPSN (SYW) - Sehwan Sharif Airport - Sehwan Sharif
OPSR (MSF) - PAF Base Mushaf (Sargodha Air Base) - Sargodha
OPSS (SDT) - Saidu Sharif Airport - Saidu Sharif
OPST (SKT) - Sialkot International Airport - Sialkot
OPSU (SUL) - Sui Airport - Sui
OPSW (RZS) - Sawan Airport - Sawan Gas Field
OPSX (SWN) - Sahiwal Airport - Sahiwal (maybe defunct)
OPTA (TLB) - Tarbela Dam Airport - Tarbela Dam
OPTU (TUK) - Turbat International Airport - Turbat
OPZB (PZH) - Zhob Airport - Zhob

OR - Iraq/Kurdistan Region

ORAA (IQA) - Al Asad Airbase - Al Anbar
ORAI - Al Iskandariya Airport - Iskandariya
ORAN - An Numaniyah Airport - An Numaniyah
ORAT - Al Taqaddum Airbase - Habbaniyah
ORBB (BMN) - Bamarni Airport - Bamarni - Kurdistan
ORBD - Balad Air Base (Al-Bakir Airbase) - Balad
ORBI (BGW) - Baghdad International Airport - Baghdad (changed from ORBS in 2003)
ORBM (OSM) - Mosul International Airport - Mosul
ORBR - Bashur Airport / Harir - Kurdistan
ORER (EBL) - Erbil International Airport - Erbil (Hewlêr), - Kurdistan
ORJA - Jalibah Southeast Air Base - Jalibah
ORKK (KIK) - Kirkuk Airport (Al-Hurriya Air Base) - Kirkuk
ORMM (BSR) - Basrah International Airport - Basrah
ORNI (NJF) - Al Najaf International Airport - Najaf
ORQT - Qasr Tall Airport - Qasr Tal Mihl
ORQW - Qayyarah Airfield West - Qayyarah
ORSH - Camp Speicher (Majid al Tamimi Airbase/Tikrit Air Academy) - Tikrit
ORSU - Sulaimaniyah International Airport - Sulaimaniyah (Silêmanî) - Kurdistan
ORTF - Tal Afar Air Base - Tal Afar
ORTI - Camp Taji (Camp Cooke) - Taji
ORTK - Tikrit East Airport - Tikrit
ORTL (XNH) - Nasiriyah International Airport (formerly Tallil Air Base) - Nasiriyah
ORTS - Tikrit South Airport - Tikrit
ORUB - Ubaydah Bin Al Jarrah Air Base - Al-Kut
ORUQ - Umm Qasr Airport - Umm Qasr

OS - Syria

OSAP (ALP) - Aleppo International Airport - Aleppo
OSDI (DAM) - Damascus International Airport - Damascus
OSDZ (DEZ) - Deir ez-Zor Airport - Deir ez-Zor
OSKL (KAC) - Qamishli Airport - Qamishli
OSLK (LTK) - Bassel Al-Assad International Airport - Latakia
OSPR (PMS) - Palmyra Airport - Palmyra

OT - Qatar

OTBD (DIA) - Doha International Airport - Doha
OTBH - Al Udeid Air Base (Abu Nakhlah Airport) - Doha
OTBK - Al Khor Airport - Al Khor
OTHH (DOH) - Hamad International Airport - Doha

OY - Yemen

OYAA (ADE) - Aden International Airport - Aden
OYAB (EAB) - Abbs Airport - Abbs
OYAT (AXK) - Ataq Airport - Ataq
OYBI (BYD) - Al Bayda' Airport - Al Bayda
OYBN (BHN) - Beihan Airport - Beihan
OYBQ (BUK) - Albuq Airport - Al Bough
OYGD (AAY) - Al Ghaydah Airport - Al-Ghaidah
OYKM (KAM) - Kamaran Airport - Kamaran
OYHD (HOD) - Hodeidah International Airport - Hodeidah
OYMB (MYN) - Marib Airport (construction suspended) - Marib
OYMK (UKR) - Mukeiras Airport - Mukeiras
OYQN (IHN) - Qishn Airport - Qishn
OYRN (RIY) - Riyan International Airport - Mukalla
OYSH (SYE) - Saadah Airport - Saadah
OYSN (SAH) - Sanaa International Airport - Sana'a
OYSQ (SCT) - Socotra Airport - Socotra
OYSY (GXF) - Seiyun Hadhramaut Airport - Sayun
OYTZ (TAI) - Ta'izz International Airport - Taiz
OYZM - Al Hazm Airport - Al Hazm

References

Web site: ICAO Location Indicators by State . PDF . . 17 September 2010 . https://web.archive.org/web/20130309155522/https://www.icao.int/safety/ism/Accident%20Incident%20Reporting%20Guidance/LocationIndicatorsByState.pdf . 9 March 2013.
Web site: United Nations Code for Trade and Transport Locations . UN/LOCODE 2011-2 . . 28 February 2012. - includes IATA codes
Aviation Safety Network - IATA and ICAO airport codes