Emergency Nos.
Police : 100
Fire : 101
Ambulance : 102
| Delhi Police | |
| Central District | 23261377, 25737951, Ext. 7401 |
| North District | 23937012, 23962201 |
| South District | 26857726, 26852588, 26482871, Ext. 4441 |
| South-West District | 26152626, 26152781 |
| East District | 22305577 |
| North-West District | 27229835, 27234646, Ext. 5701 |
| North-East District | 22825655, 22826937 |
| West District | 25447100, 25458369, Ext. 4222 |
| New Delhi District | 23344452 |
| Indian Railways | |
| General Enquiry | 131 |
| Central Enquiry | 131 |
| Reservation | 131 |
| Railway Reservation Enquiry | 1345,1335,1330 |
| Centralised Railway Enquiry | 1330/1/2/3/4/5/6/7/8/9 |
| Indian Airlines | |
| General Enquiry | 1400 |
| Reservation and Booking Enquiry | 1401 |
| Flight Arrival Information | 1402 |
| Flight Departure Information | 1403 |
| Airport | |
| Domestic | 25696535, 25665121 |
| International | 25652011/21/50 |
| Private Airlines | 25675126 |
| Bus Services | |
| Inter-State Enquiry at Kashmiri Gate Terminus | 22960290; 22968836 |
| Inter-State Enquiry at Sarai Kale Khan Terminus | 24698343; 24638092 |
| Inter-State Enquiry at Anand Vihar Terminus | 22148097 |
| UP Roadways | 22968709 |
| Haryana Roadways | 22961262 |
| Punjab Roadways | 22967892 |
| Himachal Roadways | 22966725 |
| Rajasthan Roadways | 22919537 |
| J&K Roadways | 23324511 |
| STD Code | |
| Delhi | 011 |
| Noida | 0120 |
| Gurgaon | 0124 |
| Faridabad | 0129 |
| Ghaziabad | 0120 |
| Bahadurgarh | 01276 |
| Blood Banks | |
| AIIMS | 26588700 |
| Indian Red Cross Society II, | 23711551 |
| Bomb Disposal Squads | |
| South West | 26152810/801 |
| New Delhi | 23361231 Extn. 3705 |
| Delhi | 22512201 extn. 577 |
| North | 23962281 |
| Tourist Enquiry | |
| ITDC | 23719039 |
| Tourist Information Service | 1363 |
| Transport Arrangements | 23320331/2336 |
| Tours Department | 23748115;23748164/65 |
| Tourism Departments | |
| Delhi (DTDC) | 23363607;23365358 |
| Haryana | 23324910;23324911 |
| Himachal Pradesh | 23325320;23324764 |
| Punjab | 23343055 |
| Rajasthan | 23383837;23389525 |
| Uttar Pradesh | 23711296;23322251 |
| Uttranchal | 23350481 |
| Telephone Services | |
| Directory Enquiry | 197 |
| Telephone Complaint | 198 |
| Internet Customer Care | 1504 |
| Change Number Hindi/Eng. | 1951/1952 |