Philippines callsign allocation and IOTA number (2024/11/20) Philippines Callsign Allocation and IOTA Number (November 20, 2024)
Philippine callsign allocation In the Philippines, regular call signs are assigned by region.
DU1: Luzon (including Metro Manila)
DU2: North Luzon
DU3: Central Luzon
DU4: Bicol Region
DU5: Visayan Islands
DU6: Western Visayas
DU7: Central Visayas
DU8: Northern Mindanao
DU9: Southern Mindanao
Regional Callsign Assignments in the Philippines In the Philippines, regular callsigns include a number that corresponds to specific geographic areas:
DU1: Luzon Island (including Metro Manila)
DU2: Northern Luzon
DU3: Central Luzon
DU4: Bicol Region
DU5: Visayas Islands
DU6: Western Visayas
DU7: Central Visayas
DU8: Northern Mindanao
DU9: Southern Mindanao
Philippines at DXCC Entity Name: Philippines DXCC Entity Number: 375 CQ Zone: 27 ITU Zone: 50
Entity Coverage: All of the Philippines (including Luzon, Visayas, Mindanao, and other islands). For purposes of the DXCC program, the Philippines is recognized as a separate entity and the entire country is included in this number.
Regardless of the place of operation, all amateur radio communication conducted within the Philippines falls under DXCC entity “375.”
Entity Coverage: The entire Philippines (including Luzon Island, the Visayas, Mindanao, and other islands) In the DXCC program, the Philippines is recognized as a single entity, and the entire country is included under this number.
Regardless of the operating location, all amateur radio communications conducted within the Philippines fall under DXCC Entity "375".
Philippines IOTA Number List
Luzon and Palawan
OC-042: Luzon
Mainland Luzon and offshore islands not credited to other groups
OC-244: Luzon coastal islands
Balesin Island, Banton Island, Burias Island, Cabarete Island, Carabao Island, Catanduanes Island, Corregidor Island, Dos Hermanas Island, Lahuy Island, Maestre de Campo Island, Marinduque Island, Masbate Island, Mindoro Island, Lapu-Lapu Island, Romblon Island, Sibuyan Island, Simala Island, Tablas Island, Ticao Island, Verde Island
OC-207: Cagayan Islands
Arena Island, Cagayan Island, Calusa Island, Cabiri Island, Dondonay Island, Tabataha Reef
OC-090: Calamian Islands
Bulalacao Island, Busuanga Island, Colocolo Island, Coron Island, Culion Island, Dimaquia Island, Popototan Island, Tara Island
OC-120: Cuyo Islands
Agutaya Island, Biscay Island, Canipo Island, Kapnoyan Island, Kokoro Island, Cuyo Island, Dit Island, Rubic Island, Manamoc Island, Kinirban Island
OC-126: Lubang Islands
Anvil Island, Cabra Island, Goro Island, Lubang Island
OC-128: Palawan Island
Balabac Island, Bangkalan Island, Boyan Island, Bugsuk Island, Kabuluan Island, Kalabugdong Island, Canabungan Island, Dalanganem Islands, Dumarang Island, Ilok Island, Linapacan Island, Malbutogulbut Island, Nangalao Island, Palawan Island, Pandanan Island
OC-091: Poliro Islands
Jomalig Island, Karonkoang Island, Kalotokoto Island, Patnanongan Island, Poliro Island
OC-092: Babuyan Islands
Babuyan Island, Calayan Island, Camiguin Island, Dalpiri Island, Didikas Island, Fuga Island
OC-093: Batanes Islands
Balintang Island, Batan Island, Ibuhos Island, Itbayat Island, Mabudis Island, North Island, Sabtang Island, Siyan Island, Yami Island
OC-202: Calagua Islands
Gintinua Island, Ingalang Island, Maclabo Island, Tinaga Island
Visayan Islands
OC-129: Visayan Islands
Almagro Island, Bantayan Island, Batag Island, Batabatan Island, Biliran Island, Bili Island, Bohol Island, Boracay Island, Cabilao Island, Calicoan Island, Capul Island, Cebu Island, Guimaras Island, Gintacan Island, Homonhon Island, Lakaon Island, Leyte Island, Limasawa Island, Mactan Island (also known as Lapu-Lapu Island), Mahanay Island, Manicani Island, Manikin Island, Maripipi Island, Negros Island, Olango Island, Pasigyan Island, Panaon Island, Panay Island, Panlao Island, Ponson Island, Poro Island, Samar Island, Santo Niño Island, Siquijor Island, Suluan Island, Tagapura Island
OC-125Semirara Islands
Kalya Island, Semirara Island, Sibai Island, Siboron Island
Mindanao and the Sulu Archipelago
OC-130: Mindanao
Mindanao and islands not credited to other groups
OC-235: Mindanao coastal islands
Bulk Bulk Island, Basilan Island, Bayangan Island, Bolod Islands, Bongo Island, Bubuan Island (near Basilan), Bucas Grande Island, Bulan Island, Camiguin Island, Kejangan Island, Dassalan Island, Dinagat Island, East Bucas Island, Hibson Island, Malamawi Island, Pilas Island, Salpin Island, Samal Island, Sangboi Islands, Siargao Island, Talikud Island, Tamuk Island, Tapiantana Island, Tenggoran Island
OC-105: Cagayan de Sur Islands
Bangkoran Island, Cagayan de Sur (also known as Cagayan de Tawi-tawi or Mapin Island), Kinapusan Island, San Miguel Islands
OC-119: Jolo Islands
Balangingi Island, Bangarao Island, Bubuan Island (near Siasi Island), Cabingan Island, Kapuar Island, Jolo Island, Lapak Island, Lugus Island, Pata Island, Siasi Island, Tarue Island, Tapan Island, Tapulu Island, Tongkuil Island
OC-188: Pangtalan Islands
Bambangnan Island, Kabukan Island, Cap Island, Danmai Island, Dokkang Island, Krasaing Island, Laparan Island, North Ubian Island, Pandukan Island, Pangutalan Island, Lubuan Island, Teomabal Island, Tubigan Island, Usada Island
OC-174: Tawitawi Islands
Baliungan Island, Basbas Island, Bilatan Island, Bintulan Island, Bongao Island, Kang Tipayan Dakla & Diki Island, Kinapusan Island, Manuk Manka Island, Sanga Sanga Island, Sibutu Island, Simunul Island, South Ubian Island, Sugubai Island, Tabawan Island, Tandubatu Island, Tawi-Tawi Island, Tumbangan Island, Tumindao Island
OC-225: Turtle Islands
Baguan Island, Boan Island, Langaan Island, Liniman Island, Taganac Island, Mambahenauhan Island