Northern Cordilleran
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Cagayan Valley (11)
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Ibanagic (9)
- Atta, Faire [azt] (A language of Philippines)
- Atta, Pamplona [att] (A language of Philippines)
- Atta, Pudtol [atp] (A language of Philippines)
- Ibanag [ibg] (A language of Philippines)
- Itawit [itv] (A language of Philippines)
- Yogad [yog] (A language of Philippines)
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Gaddangic (3)
- Agta, Central Cagayan [agt] (A language of Philippines)
- Gaddang [gad] (A language of Philippines)
- Ga’dang [gdg] (A language of Philippines)
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Isnag (2)
- Adasen [tiu] (A language of Philippines)
- Isnag [isd] (A language of Philippines)
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Ibanagic (9)
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Northeastern Luzon (6)
- Agta, Pahanan [apf] (A language of Philippines)
- Paranan [prf] (A language of Philippines)
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Northern (4)
- Agta, Casiguran Dumagat [dgc] (A language of Philippines)
- Agta, Dicamay [duy] (A language of Philippines)
- Agta, Dupaninan [duo] (A language of Philippines)
- Kasiguranin [ksn] (A language of Philippines)

