CODES STARTING WITH "C"
| City | State | Code |
| CHINNOR | Andhra Pradesh | 8737 |
| CHITTOOR | Andhra Pradesh | 8572 |
| CUDDAPAH | Andhra Pradesh | 8562 |
| CHINTALAPUDI | Andhra Pradesh | 8823 |
| CHEVELLA | Andhra Pradesh | 8417 |
| CHANDOOR | Andhra Pradesh | 8681 |
| CHEJERLA | Andhra Pradesh | 8628 |
| CHIRALA | Andhra Pradesh | 8594 |
| CUMBUM | Andhra Pradesh | 8406 |
| CHAVITIDIBBALU | Andhra Pradesh | 8863 |
| CHINTAPALLE | Andhra Pradesh | 8937 |
| CHODAVARAM | Andhra Pradesh | 8934 |
| CHEPURUPALLI | Andhra Pradesh | 8952 |
| CHERIAL | Andhra Pradesh | 8710 |
| CHAPARA | Bihar | 6152 |
| CHAKAI | Bihar | 6347 |
| CHANDIPARA | Chhattisgarh | 7818 |
| CHHURIAKALA | Chhattisgarh | 7745 |
| CHUIKHADAN | Chhattisgarh | 7743 |
| CHHINAGARH | Chhattisgarh | 7863 |
| CHINGMUT | Chhattisgarh | 7855 |
| CHANASMA | Gujarat | 2734 |
| CHOTILA | Gujarat | 2751 |
| CHHOTA UDAIPUR | Gujarat | 2669 |
| CHHACHRAULI | Haryana | 1735 |
| CHEEKA | Haryana | 1743 |
| CHARKHIDADRI | Haryana | 1250 |
| CHAMBA | Himachal Pradesh | 1899 |
| CHURAH | Himachal Pradesh | 1896 |
| CHAINPUR | Jharkhand | 6586 |
| CHATRA | Jharkhand | 6541 |
| CHAVPARAN | Jharkhand | 6547 |
| CHAIBASA | Jharkhand | 6582 |
| CHAKARDHARPUR | Jharkhand | 6587 |
| CHANDIL | Jharkhand | 6591 |
| CHAINPUR | Jharkhand | 6535 |
| CALICUT | Kerala | 495 |
| CANNANORE | Kerala | 497 |
| CHETLET | Kerala | 4899 |
| CHANNAPATNA | Karnataka | 8113 |
| CHIKKODI | Karnataka | 8338 |
| CHADCHAN | Karnataka | 8422 |
| CHIKMAGALUR | Karnataka | 8262 |
| CHALLAKERE | Karnataka | 8195 |
| CHITRADURGA | Karnataka | 8194 |
| CHINCHOLI | Karnataka | 8475 |
| CHITTAPUR | Karnataka | 8474 |
| CHANNARAYAPATNA | Karnataka | 8176 |
| CHIKKABALLAPUR | Karnataka | 8156 |
| CHINTAMANI | Karnataka | 8154 |
| CHAMRAJNAGAR | Karnataka | 8226 |
| COWDAHALLI | Karnataka | 8225 |
| CHANNAGIRI | Karnataka | 8189 |
| CHIKKANAYAKANAHALLI | Karnataka | 8133 |
| CHANDUR RLY. | Maharashtra | 7222 |
| CHANDURBAZAR | Maharashtra | 7227 |
| CHHIKALDARA | Maharashtra | 7220 |
| CHIKHALI | Maharashtra | 7264 |
| CHANDRAPUR | Maharashtra | 7172 |
| CHUMUR | Maharashtra | 7170 |
| CHAMORSHI | Maharashtra | 7135 |
| CHALISGAON | Maharashtra | 2589 |
| CHOPDA | Maharashtra | 2586 |
| CHANDGAD | Maharashtra | 2320 |
| CHANWAD | Maharashtra | 2556 |
| CANACONA | Goa | 8346 |
| CHINCHWAD | Maharashtra | 212 |
| CHIPLUN | Maharashtra | 2355 |
| CHICHOLI | Madhya Pradesh | 7145 |
| CHHATARPUR | Madhya Pradesh | 7682 |
| CHAURAI | Madhya Pradesh | 7166 |
| CHHINDWARA | Madhya Pradesh | 7162 |
| CHACHAURA | Madhya Pradesh | 7546 |
| CHANDERI | Madhya Pradesh | 7547 |
| CHHAPARA | Madhya Pradesh | 7691 |
| CHITRANGI | Madhya Pradesh | 7806 |
| CHURHAT | Madhya Pradesh | 7802 |
| CHERRAPUNJEE | Meghalaya | 3637 |
| CHAMPAI-I | Mizoram | 3831 |
| CHAMPAI-II | Mizoram | 3830 |
| CHANGLANG | Arunachal Pradesh | 3808 |
| CHOWKHEM | Arunachal Pradesh | 3806 |
| CHAKPIKARONG | Manipur | 3878 |
| CHANDEL | Manipur | 3872 |
| CHURCHANDPUR | Manipur | 3874 |
| CHANDBALI | Orissa | 6786 |
| CHHATRAPUR | Orissa | 6811 |
| CUTTACK | Orissa | 671 |
| CHHENDIPADA | Orissa | 6761 |
| CHANDIGARH | Punjab | 172 |
| CHOHTAN (N) | Rajasthan | 2989 |
| CHOHTAN (S) | Rajasthan | 2903 |
| CHITTORGARH | Rajasthan | 1472 |
| CHURU | Rajasthan | 1562 |
| CHIRAWA | Rajasthan | 1596 |
| CHHABRA | Rajasthan | 7452 |
| CHHIPABORAD | Rajasthan | 7454 |
| CHENGALPATTU | Tamil Nadu | 44 |
| CHENNAI | Tamil Nadu | 44 |
| COIMBATORE | Tamil Nadu | 422 |
| CHIDAMBARAM | Tamil Nadu | 4144 |
| CUDDALORE | Tamil Nadu | 4142 |
| CUMBUM | Tamil Nadu | 4554 |
| CHENGAM | Tamil Nadu | 4188 |
| CHAMPAWAT | Uttaranchal | 5965 |
| CHAKRATA | Uttaranchal | 1360 |
| CHAMOLI | Uttaranchal | 1372 |
| CAPIANGANJ-II | Uttar Pradesh | 5563 |
| CAPTANGANJ-I | Uttar Pradesh | 5567 |
| CHHIBRAMAU | Uttar Pradesh | 5691 |
| CHARKHARI | Uttar Pradesh | 5283 |
| CHIRGAON | Uttar Pradesh | 5170 |
| CHUNUR | Uttar Pradesh | 5443 |
| CHAKIA | Uttar Pradesh | 5413 |
| CHANDAULI | Uttar Pradesh | 5412 |
| CHHATA | Uttar Pradesh | 5662 |
| CALCUTTA | West Bengal | 33 |
| CANNING | West Bengal | 3218 |
| CHAMPADANGA | West Bengal | 3212 |
| COOCHBEHAR | West Bengal | 3582 |
| CONTAI | West Bengal | 3220 |
