Area Code +91-135-(2000000...2999999) located in DEHRADUN, Uttarakhand (UT), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 135 Subscriber Number From : 2000000 Subscriber Number To : 2999999 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 : UT Region Name : Uttarakhand City : DEHRADUN Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 30.3200 Longitude : 78.0300 ‹ previous : +91-1348-(794000...794999) next › : +91-135-(3000000...3999999) Dialling Instructions For trunk calls: 0 135 2000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 135 2000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2000000 ~ 2999999 (Count: 1,000,000) Example: +91-135-2000000 / 0091-135-2000000 (0135-2000000 / 0-135-2000000) +91-135-2000001 / 0091-135-2000001 (0135-2000001 / 0-135-2000001) +91-135-2000002 / 0091-135-2000002 (0135-2000002 / 0-135-2000002) +91-135-2000003 / 0091-135-2000003 (0135-2000003 / 0-135-2000003) +91-135-2000004 / 0091-135-2000004 (0135-2000004 / 0-135-2000004) ...+91-135-xxxxxxx / 0091-135-xxxxxxx (0135-xxxxxxx / 0-135-xxxxxxx) ...+91-135-2999995 / 0091-135-2999995 (0135-2999995 / 0-135-2999995) +91-135-2999996 / 0091-135-2999996 (0135-2999996 / 0-135-2999996) +91-135-2999997 / 0091-135-2999997 (0135-2999997 / 0-135-2999997) +91-135-2999998 / 0091-135-2999998 (0135-2999998 / 0-135-2999998) +91-135-2999999 / 0091-135-2999999 (0135-2999999 / 0-135-2999999)