| Telephonic area code of Trenčín when calling within Slovakia | 032 |
| Telephonic area code when calling from outside of Slovakia | 00421 32 |
| Information on telephone numbers | 1181 |
| Information on international telephone numbers | 12149 |
|
Operator-assisted national calls |
1181 |
| Operator-assisted international calls | 12131 |
| EDB – Dataservis Slovakia s.r.o. | 16 185 |
| SOS emergency calls | 112 |
| Police | 158 |
| Rescue Service | 155 |
| Fire rescue service | 150 |
| Municipal Police | 159 , 032/ 744 33 76 |
|
Non-stop accident and emergency service for drivers of vehicles |
18 123 |
| Emergency Medical Department | 032/ 652 34 44 |
| Mobile Medical Emergency | 032/ 656 63 33 |
| Hospital - switchboard | 032/ 656 61 11 |
| Hospital – First Aid to Children | 032/ 656 66 09 |
| Hospital – First Aid to Adults | 032/656 67 11 |
|
Pharmacy and Emergency Service, Arnica Montana |
032/652 49 93 |
| Accidents - Gas | 032/ 652 13 44 |
| Accidents - Electricity | 032/ 744 20 56 |
| Accidents – Drinking water | 032/ 652 05 92 |