| | | | | | STD Numbers of Karnataka | |
| | Karnataka Areas | STD Codes | Holalkere | 08191 | Holenarsipur | 08175 | Honnali | 08188 | Honnavar | 08387 | Hosadurga | 08199 | Hosakote | 08111 | Hosanagara | 08185 | Hospet | 08394 | Hubli | 0836 | Hukkeri | 08333 | Humnabad | 08483 | Hungund | 08351 | Hunsagi | 08444 | Hunsur | 08222 | Huvinahadagali | 08399 | Indi | 08359 | Jagalur | 08196 | Jamkhandi | 08353 | Jewargi | 08442 | Joida | 08383 | K.R. Nagar | 08223 | Kadur | 08267 |
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