| Name | Address | Phone |
| AMB. TELEPHONE EXCHANGE | 268 3333 , | |
| CALL CENTRE NO. | 1500 , | |
| CUSTOMER SERVICE CENTRE Amb. | 268 5555 , | |
| CUSTOMER SERVICE CENTRE Badlapur | 269 7877 , | |
| CUSTOMER SERVICE CENTRE Unr -2 | 256 5656 , | |
| D. G. M. Kalyan | 221 2200 , | |
| FAULT BOOKING | 198 , | |
| G. M. KALYAN Kalyan | 231 4422 , | |
| S.D.O.P. Kalyan | 231 6174 , |
| P. R. O. | 4302244 EXT NO: 4442 | |
| DIRECTORY INQUIRY | 197 | |
| LOCAL TELEPHONE ASSISTANCE | 199 | |
| COMPLAINTS | 2198 | |
| MORNING ALARM SERVICE | 116+TIME | |
| TIMING SERVICES | 174 | |
| EMERGENCY | 176 | |
| TRUNK CALL BOOKING | 180 | |
| INTERNATIONAL CALL BOOKING | 186 | |
| INLAND INQUIRY | 181 | |
| S.T.D. CODE HELPLINE | 182 | |
| I.S.D. CODE HELPLINE | 187 | |
| CHANGED NUMBER INQUIRY | ENGLISH MARATHI HINDI | 1951 1952 1953 |
| INTERNATIONAL DEMAND BOOK | 150 | |
| INTERNATIONAL INQUIRY & CANCELLATION | 187 | |
| PHONOGRAM INQUIRY | 184 | |
| PHONOGRAM BOOK | 185/2624144 | |
| COMPLAINT BOOKING | 1918 | |
