Important Service Number (Board)
| Cells in Rail Bhawan | Railways | MTNL |
| Reception | 43222 43777 43888 | 23303222 23303777 23303888 |
| Reservation Cell | 43666 43683 | - |
| Emergency Cell | 43719 43235 43230 43788 | 23382626 - - |
| Punctuality Cell | 43600 43859 43528 32636 | 23388503 23388230 - |
| Coaching Movement Cell | 43608 43740 | 23386395 - |
| Non-Receipt Cell | 43858 43850 | 23384416 - |
| Computerised Public Information & Facilitation Centre(CFC)& Right to Information Cell(RTI) | 43908 43866 | 23384572 23074465 |
| Security Control | 43748 43784 | 23387981 |
| Safety Cell | 43399 | 23382638 |
| Cipher Cell | 44617 43554 | 23388206 |
| REIS (Rly. Empl. Info. System) | 43617 | 23073276 |
| REIS-I Cell | 47450 | - |
| REIS-II Cell | 47451 | - |
| Catering Complaint Monitoring Cell | 44405 | 23384248 23388951 (Toll Free)1800-11-1321 |
| Parcel Cell | 43208 43674 | 23385079 |
| Electrical Control Cell | 43876 43869 | 23382970 |
| Disaster Management Cell | 41550 41551 41555 | 23041550 23041551 23041555 |
| Security Cell | 41570 41571 41572 41573 41574 41575 | 23383605 (Toll Free)1800-11-1322 |
| Secretary's Confidential Cell | 43746 | 23382615 |
| e-Office Cell | 44269 | - |
| Twitter Cell | 43500 44496 | 23389350 23097063 |
| Police | - | 100 |
| Fire | - | 101 |
| Ambulance | - | 102 |
