The STD codes of Towns and Cities, If you want to know std codes of places, should know name of the talukas. STD codes of Karnataka are given below.
- Afzalpur - 8470
- Ainapur- 8339
- Aland - 8477
- Alur - 8170
- Anekal - 8110
- Ankola - 8388
- Arsikere - 8174
- Athani - 8289
- Aurad - 8485
- Bableshwar - 8355
- Badami - 8357
- Bagalkot - 8354
- Bagepalli - 8150
- Bailhongal - 8288
- Bangalore - 80
- Bangarpet - 8153
- Bantwal - 8255
- Basavakalyan - 8481
- Basavanabagewadi - 8358
- Basavapatna - 8180
- Belgaum - 831
- Bellary - 8392
- Belthangady - 8256
- Belur - 8177
- Bhadravati - 8282
- Bhalki - 8484
- Bhatkal - 8385
- Bidar - 8482
- Bijapur - 8352
- Biligi - 8425
- Chadchan - 8422
- Challakere - 8195
- Chamrajnagar - 8226
- Channagiri - 8189
- Channapatna - 8113
- Channarayapatna - 8176
- Chikkaballapur - 8156
- Chikkanayakanahalli - 8133
- Chikkodi - 8338
- Chikmagalur - 8262
- Chincholi- 8475
- Chintamani - 8154
- Chitradurga - 8194
- Chittapur - 8474
- Cowdahalli - 8225
- Cowdahalli - 8225
- Deodurga - 8531
- Devangere - 8192
- Devarahippargi - 8424
- Doddaballapur - 8119
- Gadag - 8372
- Gangavathi - 8533
- Gokak - 8332
- Gowribdanpur - 8155
- Gubbi - 8131
- Gulbarga - 8472
- Gundlupet - 8229
- H.B.halli - 8397
- H.D.kote - 8228
- Haliyal - 8284
- Hangal - 8379
- Harapanahalli - 8398
- Hassan - 8172
- Haveri - 8375
- Hebri - 8253
- Hirekerur - 8376
- Hiriyur - 8193
- Holalkere - 8191
- Holenarsipur - 8175
- Honnali - 8188
- Honnavar - 8387
- Hosadurga - 8199
- Hosakote - 8111
- Hosanagara - 8185
- Hospet - 8394
- Hubli - 836
- Hukkeri - 8333
- Humnabad - 8483
- Hungund - 8351
- Hunsagi - 8444
- Hunsur - 8222
- Huvinahadagali - 8399
- Indi - 8359
- Jagalur - 8196
- Jamkhandi - 8353
- Jewargi - 8442
- Joida - 8383
- K.R.Nagar - 8223
- Kadur - 8267
- Kalghatagi - 8370
- Kamalapur - 8478
- Kanakapura - 8117
- Kargal - 8186
- Karkala - 8258
- Karwar - 8382
- Khanapur - 8336
- Kolar - 8152
- Kollegal - 8224
- Koppa - 8265
- Koppal - 8539
- Koratageri - 8138
- Krishnarajapet - 8230
- Kudligi - 8391
- Kumta8386
- Kundapur - 8254
- Kundgol - 8304
- Kunigal - 8132
- Kurugodu - 8393
- Kustagi - 8536
- Lingsugur - 8537
- Madikeri - 8272
- Madhugiri - 8137
- Madugiri - 8137
- Malavalli - 8231
- Malur - 8151
- Mandya - 8232
- Mangalore - 824
- Manvi - 8538
- Mashal - 8471
- Molkalmuru - 8198
- Mudalgi - 8334
- Muddebihal - 8356
- Mudhol - 8350
- Mudigere - 8263
- Mulbagal - 8159
- Mundagod - 8301
- Mundargi - 8371
- Murugod - 8337
- Mysore - 821
- Nagamangala - 8234
- Nanjangud - 8221
- Nargund - 8377
- Narsimrajapur - 8266
- Navalgund - 8380
- Nelamangala - 8118
- Nimburga - 8440
- Pandavapura - 8236
- Pavagada - 8136
- Puttur - 8251
- Raibag - 8331
- Raichur - 8532
- Ramdurg - 8335
- Ranebennur - 8373
- Ron - 8381
- Sagar - 8183
- Sakleshpur - 8173
- Salkani - 8283
- Sandur - 8395
- Saundatti - 8330
- Savanur - 8378
- Sedam - 8441
- Shahapur - 8479
- Shankarnarayana - 8259
- Shikaripura - 8187
- Shimoga - 8182
- Shirahatti - 8487
- Shorapur - 8443
- Siddapur - 8389
- Sidlaghatta - 8158
- Sindagi - 8488
- Sindhanur - 8535
- Sira8135
- Sirsi - 8384
- Siruguppa - 8396
- Somwarpet - 8276
- Sorab - 8184
- Sriniwaspur - 8157
- Sullia - 8257
- T.Narsipur - 8227
- Tallak - 8190
- Tarikere - 8261
- Telgi - 8426
- Thirthahalli - 81 - 81
- Tiptur - 8134
- Tumkur - 816
- Turuvekere - 8139
- Udupi - 820
- Virajpet - 8274
- Wadi - 8476
- Yadgiri - 8473
- Yelburga - 8534
- Yellapur - 8419