Periyakalakattoor Sub-Center
| Hospital Name | Periyakalakattoor Sub-Center |
| Address | Hsc (Rent Building) |
| Address Line2 | Perumal Koil St, Near Perumal Koil |
| Location | Periyakalakattor Village |
| Phone No. | N. A. |
| Mobile No. | N. A. |
| Facility | SubCentre |
| State | Tamil Nadu |
| District | Thiruvallur |
| Taluka | Tiruttani |
| Block | Thiruvelangadu |
| GPS Location | Latitude: 13.0613 |
| Longitude: 79.7468 |
Periyakalakattoor Sub-Center hospital is a SubCentre in Thiruvelangadu. It is located in Thiruvallur district of Tamilnadu state. The GPS Location of this hospital is shown in the map below.