| Name: | St. William the Hermit Cathedral Parish |
| Address: | Bgy. No. 15, San Guillermo (Pob.) |
| Laoag City, Ilocos Norte | |
| 2900 Philippines | |
| View Mass Schedules | |
| phone number | +63 (77) 771-44-37 |
| mobile number | +63 917-525-3787 |
| swclaoag@gmail.com | |
| facebook page | CathedralLaoag |
| facebook group | 1116759635015660 |