Area Code +91-9837-(000000...999999) located in Mobile - Uttar Pradesh (West) & Uttarakhand Telecom Circle, more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 9837 Subscriber Number From : 000000 Subscriber Number To : 999999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : Idea Cellular Ltd. Click here to buy India Area Code Database Other Information Language Code : hi (Hindi) Country Number : 356 (India) Country Code : IN (India) City : Mobile - Uttar Pradesh (West) & Uttarakhand Telecom Circle Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 28.0100 Longitude : 78.7000 ‹ previous : +91-9836-(000000...999999) next › : +91-9838-(000000...999999) Dialling Instructions For trunk calls: 0 9837 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 9837 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 999999 (Count: 1,000,000) Example: +91-9837-000000 / 0091-9837-000000 (09837-000000 / 0-9837-000000) +91-9837-000001 / 0091-9837-000001 (09837-000001 / 0-9837-000001) +91-9837-000002 / 0091-9837-000002 (09837-000002 / 0-9837-000002) +91-9837-000003 / 0091-9837-000003 (09837-000003 / 0-9837-000003) +91-9837-000004 / 0091-9837-000004 (09837-000004 / 0-9837-000004) ...+91-9837-xxxxxx / 0091-9837-xxxxxx (09837-xxxxxx / 0-9837-xxxxxx) ...+91-9837-999995 / 0091-9837-999995 (09837-999995 / 0-9837-999995) +91-9837-999996 / 0091-9837-999996 (09837-999996 / 0-9837-999996) +91-9837-999997 / 0091-9837-999997 (09837-999997 / 0-9837-999997) +91-9837-999998 / 0091-9837-999998 (09837-999998 / 0-9837-999998) +91-9837-999999 / 0091-9837-999999 (09837-999999 / 0-9837-999999)