| SERVICES | CODE |
| POLICE | 100 |
| FIRE | 101 |
| AMBULANCE | 102 |
| Railway Auto Reservation | 138 |
| Airlines (GENL.ENQ.) | 140 |
| Airlines (Reservation Enquiry) | 141 |
| Airlines (Flight Arrival ) | 142 |
| Billing Information | 1501 (Hindi)
1502 (English)
1503 (Bengali) |
| Electronic Clearance Service (ECS ) | 1505 |
| Free Phone Service | 1600 |
| Automatic CLI Information | 164 |
| VSNL's Infoline | 1713 |
| Meterological Survey Alipore | 1717 |
| Demand Trunk Service | 178 |
| Inland Trunk Booking | 180 |
| Inland Trunk Assist | 181 |
| Inland Trunk Information | 183 |
| International Trunk Booking | 186 |
| International Trunk Enqnuiry | 187 |
| Trunk Delay Enquiry | 188 |
| C.E.S.C. Info. | 1912 |
| Changed Number Announcement | 1951 (Hindi)
1952 (English)
1953 (Bengali) |
| IVRS Directory enquiry | 196 |
| Directory Enquiry | 197 |
| LOCAL COMPLAINTS | 198 |
| Public Grievance Cell at Calcutta Telephones | 1095 |
| Help Desk of NIB | 1957 |
| Monsoon Control | 1080 |
| Sampark | 1500 |
