There are four (4) Ranges in Kerala State. The Deputy Inspectors General have each in charge of a Range. Trivandrum Range and Ernakulum Range come under South Zone . As such Kannur Range and Thrissur Range come under North Zone. The Kannur Range office is stationed at Thavakkara, Thrissur Range at in High Road, Ernakulam Range at in High Court Junction and Thiruvananthapuram Range at Nandavanam in Thiruvananthapuram.
The police districts in respective Range wise are given below.
Thiruvananthapuram Range
1. Thiruvananthapuram Rural
2. Kollam City
3. Kollam Rural
4. Pathanamthitta
0471-2330747
digtvmrange.pol@kerala.gov.in
Ernakulam Range
1. Alapuzha
2. Kottayam
3. Idukki
4. Ernakulam Rural
 
0484-2557500
digekmrange.pol@kerala.gov.in
Thrissur Range
1. Thrissur City
2. Thrissur Rural
3. Palakkad
4.Malappuram
0487-2424250
digtsrrange.pol@kerala.gov.in
Kannur Range
1. Kozhikode City
2. Kozhikode Rural
3. Wayanad
4. Kannur City
5. Kannur Rural
6. Kasaragod
0497-2700586
digknrrange.pol@kerala.gov.in
South Zone
The Deputy Inspector General of Police (Trivandrum Range)
Nandavanam,
Trivandrum - 695033
The Deputy Inspector General of Police (Ernakulam Range)
Changampuzha Nagar. P.O,
South Kalamassery, Ernakulam, PIN - 682033
North Zone
The Deputy Inspector General of Police (Thrissur Range)
High Road,
Thrissur - 680001
The Deputy Inspector General of Police (Kannur Range)
Thavakkara,
Kannur - 670002