| District | Name & Designation | Contact Number |
| Colombo - Head Office, Weights & Measures Branch | P.D.N. Jayasingha OIC |
+94 112 182 250 |
| Colombo (District Secretariat) | Ms. C.S. Wellage OIC |
+94 112 391 079 |
| Kaluthara - District Secretariat, Weights & Measures Branch | Mr. R.R.W.G.B.N. Hulangamuwa OIC |
+94 342 228 770 |
| Gampaha - District Secretariat, Weights & Measures Branch | Mr. B. Upul Bambaranda OIC |
+94 332 22 1664 |
| Kegalle - District Secretariat, Weights & Measures Branch | Mr. I.P. Janka Wewala OIC |
+94 372 228 770 |
| Matale - District Secretariat, Weights & Measures Branch | Mr. W.W.S. Jayasinghe OIC |
+94 662 222 135 |
| Nuwara Eliya - District Secretariat, Weights & Measures Branch | Mr. A.G.S.L. Ariyapala OIC |
+94 522 235 207 |
| Ratnapura - District Secretariat, Weights & Measures Branch | Mr. P. Wimalasena OIC |
+94 452 226 299 |
| Kandy - District Secretariat, Weights & Measures Branch | Mr. D.D. Asoka OIC |
+94 812 239 971 |
| Galle - District Secretariat, Weights & Measures Branch | Mr. K.P. Karunadasa OIC |
+94 912 231 211 |
| Matara - District Secretariat, Weights & Measures Branch | Mr. A. Wellala OIC |
+94 412 239 971 |
| Hambantota - District Secretariat, Weights & Measures Branch | Mr. S.D. Rubasinghe OIC |
+94 472 256 160 |
| Jaffna - District Secretariat, Weights & Measures Branch | Mr. S. Roshan Kumar OIC |
+94 212 217 399 |
| Vavuniya - District Secretariat, Weights & Measures Branch | Mr. S. Vijayan OIC |
+94 242 224 816 +94 242 222 187 |
| Trincomalee - District Secretariat, Weights & Measures Branch | Mr. V. Vigneshwaran OIC |
+94 262 050 800 |
| Ampara - District Secretariat, Weights & Measures Branch | Mr. V. Vigneshwaran OIC |
+94 632 222 982 |
| Batticaloa - District Secretariat, Weights & Measures Branch | Mr. A.L. Nawsad OIC |
+94 652 225 190 |
| Anuradhapura - District Secretariat, Weights & Measures Branch | Mr. U.P.P.C. Uggaldeniya Banda OIC |
+94 252 225 190 |
| Polonnaruwa - District Secretariat, Weights & Measures Branch | Mr. A.C. Senevirathna OIC |
+94 272 226 706 |
| Badulla - District Secretariat, Weights & Measures Branch | Mr. K.C.A. Perera OIC |
+94 552 228 200 |
| Monaragala - District Secretariat, Weights & Measures Branch | Mr. M.I. Prasanga OIC |
+94 552 277 406 |
| Mannar | - | +94 232 232 234 |
| Puttalam | Mr. C.K. Jayalath OIC |
+94 322 266 189 |
| Mullaitivu | OIC | +94 212 290 039 |
| Killinochchi | OIC | +94 212 283 966 |