Area Code +91-820-(0000000...9999999) located in UDUPI, Karnātaka (KA), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 820 Subscriber Number From : 0000000 Subscriber Number To : 9999999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Bharat Sanchar Nigam Limited (BSNL) Click here to buy India Area Code Database Other Information Language Code : hi (Hindi) Country Number : 356 (India) Country Code : IN (India) Region Code : KA Region Name : Karnātaka City : UDUPI Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 13.3300 Longitude : 74.7400 ‹ previous : +91-8199-(000000...999999) next › : +91-821-(0000000...9999999) Dialling Instructions For trunk calls: 0 820 0000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 820 0000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000000 ~ 9999999 (Count: 10,000,000) Example: +91-820-0000000 / 0091-820-0000000 (0820-0000000 / 0-820-0000000) +91-820-0000001 / 0091-820-0000001 (0820-0000001 / 0-820-0000001) +91-820-0000002 / 0091-820-0000002 (0820-0000002 / 0-820-0000002) +91-820-0000003 / 0091-820-0000003 (0820-0000003 / 0-820-0000003) +91-820-0000004 / 0091-820-0000004 (0820-0000004 / 0-820-0000004) ...+91-820-xxxxxxx / 0091-820-xxxxxxx (0820-xxxxxxx / 0-820-xxxxxxx) ...+91-820-9999995 / 0091-820-9999995 (0820-9999995 / 0-820-9999995) +91-820-9999996 / 0091-820-9999996 (0820-9999996 / 0-820-9999996) +91-820-9999997 / 0091-820-9999997 (0820-9999997 / 0-820-9999997) +91-820-9999998 / 0091-820-9999998 (0820-9999998 / 0-820-9999998) +91-820-9999999 / 0091-820-9999999 (0820-9999999 / 0-820-9999999)