Area Code +91-83990-(00000...99999) located in Mobile Telephony, Assam (AS), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 83990 Subscriber Number From : 00000 Subscriber Number To : 99999 National Destination Code Length : 5 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : Vodafone Spacetel Ltd Click here to buy India Area Code Database Other Information Language Code : hi (Hindi) Country Number : 356 (India) Country Code : IN (India) Region Code : AS Region Name : Assam City : Mobile Telephony Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 26.2000 Longitude : 92.9400 ‹ previous : +91-83989-(00000...99999) next › : +91-8399-(200000...299999) Dialling Instructions For trunk calls: 0 83990 00000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 83990 00000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00000 ~ 99999 (Count: 100,000) Example: +91-83990-00000 / 0091-83990-00000 (083990-00000 / 0-83990-00000) +91-83990-00001 / 0091-83990-00001 (083990-00001 / 0-83990-00001) +91-83990-00002 / 0091-83990-00002 (083990-00002 / 0-83990-00002) +91-83990-00003 / 0091-83990-00003 (083990-00003 / 0-83990-00003) +91-83990-00004 / 0091-83990-00004 (083990-00004 / 0-83990-00004) ...+91-83990-xxxxx / 0091-83990-xxxxx (083990-xxxxx / 0-83990-xxxxx) ...+91-83990-99995 / 0091-83990-99995 (083990-99995 / 0-83990-99995) +91-83990-99996 / 0091-83990-99996 (083990-99996 / 0-83990-99996) +91-83990-99997 / 0091-83990-99997 (083990-99997 / 0-83990-99997) +91-83990-99998 / 0091-83990-99998 (083990-99998 / 0-83990-99998) +91-83990-99999 / 0091-83990-99999 (083990-99999 / 0-83990-99999)