The 17 zones and their headquarters are
- 1. Central Railway (CR) – Mumbai
- 2. East Central Railway (ECR) – Hajipur
- 3. East Coast Railway (ECoR) – Bhubaneswar
- 4. Eastern Railway (ER) – Kolkata
- 5. North Central Railway (NCR) – Allahabad
- 6. North Eastern Railway (NER) – Gorakhpur
- 7. North Western Railway (NWR) – Jaipur
- 8. Northeast Frontier Railway (NFR) – Guwahati
- 9. Northern Railway Railway (NR) – Delhi
- 10. South Central Railway (SCR) – Secunderabad
- 11. South East Central Railway (SECR) – Bilaspur
- 12. South Eastern Railway (SER) – Kolkata
- 13. South Western Railway (SWR) – Hubli
- 14. Southern Railway (SR) – Chennai
- 15. West Central Railway (WCR) – Jabalpur
- 16. Western Railway (WR) – Mumbai
- 17. Metro Railway, Kolkata – Kolkata