Contact us:
Trunk lines : (02) 86837750 to 69
| Office of the Chief | 2272 |
| Receiving and Releasing Unit | 2238 |
| Electrical Standards Section | 2200 |
| Length Standards Section | 2263 |
| Mass Standards Section | 2256 |
| Pressure Standards Section | 2264 |
| Force Standards Section | 2262 |
| Thermometry and Hygrometry Standards Section | 2260 |
| Volume and Flow Standards Section | 2255 |
| Metrology in Biology Section | 2124 |
| Metrology in Chemistry Section | +63 977 1025173 (Globe), +63 969 1449795 (Smart) |


















