REGION : CALASIAO, PANGASINAN
REVENUE DISTRICT OFFICES
- REVENUE DISTRICT NO. 1 (RDO-1) - Laoag City, Ilocos Norte
- REVENUE DISTRICT NO. 2 (RDO-2) - Vigan, Ilocos sur
- REVENUE DISTRICT NO. 3 (RDO-3) - San Fernando, La Union
- REVENUE DISTRICT NO. 4 (RDO-4) - San Miguel, Calasiao, Pangasinan
- REVENUE DISTRICT NO. 5 (RDO-5) - Alaminos City, Pangasinan
- REVENUE DISTRICT NO. 6 (RDO-6) - Urdaneta City, Pangasinan