Area Code +91-9891-(000000...999999) located in Mobile - Delhi Metro Telecom Circle, more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 9891 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 - Delhi Metro Telecom Circle Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 28.6300 Longitude : 77.2200 ‹ previous : +91-9890-(000000...999999) next › : +91-9892-(000000...999999) Dialling Instructions For trunk calls: 0 9891 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 9891 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 999999 (Count: 1,000,000) Example: +91-9891-000000 / 0091-9891-000000 (09891-000000 / 0-9891-000000) +91-9891-000001 / 0091-9891-000001 (09891-000001 / 0-9891-000001) +91-9891-000002 / 0091-9891-000002 (09891-000002 / 0-9891-000002) +91-9891-000003 / 0091-9891-000003 (09891-000003 / 0-9891-000003) +91-9891-000004 / 0091-9891-000004 (09891-000004 / 0-9891-000004) ...+91-9891-xxxxxx / 0091-9891-xxxxxx (09891-xxxxxx / 0-9891-xxxxxx) ...+91-9891-999995 / 0091-9891-999995 (09891-999995 / 0-9891-999995) +91-9891-999996 / 0091-9891-999996 (09891-999996 / 0-9891-999996) +91-9891-999997 / 0091-9891-999997 (09891-999997 / 0-9891-999997) +91-9891-999998 / 0091-9891-999998 (09891-999998 / 0-9891-999998) +91-9891-999999 / 0091-9891-999999 (09891-999999 / 0-9891-999999)