Andhra Pradesh Government changed the registration codes for vehicles in all the 13 districts. While Anantapur district which used to have '02' received '01', West Godavari got '13' from existing '37'.
AP Vehicle Registration Codes:
Anantapur - AP 02 (Old Code) - AP 01 (New Code)
Chittoor - AP 03 (Old Code) - AP 02 (New Code)
Kadapa - AP 04 (Old Code) - AP O3 (New Code)
East Godavari - AP 05 (Old Code) - AP 04 (New Code)
Guntur - AP 07 (Old Code) - AP 05 (New Code)
Krishna - AP 16 (Old Code) - AP 06 (New Code)
Kurnool - AP 21 (Old Code) - AP 07 (New Code)
Nellore - AP 26 (Old Code) - AP 08 (New Code)
Prakasam - AP 27 (Old Code) - AP 09 (New Code)
Srikakulam - AP 30 (Old Code) - AP 10 (New Code)
Visakha - AP 31 (Old Code) - AP 11 (New Code)
Vizianagaram - AP 35 (Old Code) - AP 12 (New Code)
West Godavari - AP 37 (Old Code) - AP 13 (New Code)
AP Vehicle Registration Codes:
Anantapur - AP 02 (Old Code) - AP 01 (New Code)
Chittoor - AP 03 (Old Code) - AP 02 (New Code)
Kadapa - AP 04 (Old Code) - AP O3 (New Code)
East Godavari - AP 05 (Old Code) - AP 04 (New Code)
Guntur - AP 07 (Old Code) - AP 05 (New Code)
Krishna - AP 16 (Old Code) - AP 06 (New Code)
Kurnool - AP 21 (Old Code) - AP 07 (New Code)
Nellore - AP 26 (Old Code) - AP 08 (New Code)
Prakasam - AP 27 (Old Code) - AP 09 (New Code)
Srikakulam - AP 30 (Old Code) - AP 10 (New Code)
Visakha - AP 31 (Old Code) - AP 11 (New Code)
Vizianagaram - AP 35 (Old Code) - AP 12 (New Code)
West Godavari - AP 37 (Old Code) - AP 13 (New Code)