Post Office
- Paauilo Post Office 43-1355 Mamalahoa Hwy Paauilo, HI
- Laupahoehoe Post Office 36-2281 Mamalahoa Hwy Laupahoehoe, HI
- Papaaloa Post Office 35-2032 Old Mamalahoa Hwy Papaaloa, HI
- Honokaa Post Office 45-490 Lehua St Honokaa, HI
- Hakalau Post Office 29-2270 Old Mamalahoa Hwy Hakalau, HI