Area Code +91-81720-(00000...99999) located in Mobile Telephony, West Bengal (WB), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 81720 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 : Bharti Airtel 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 : WB Region Name : West Bengal City : Mobile Telephony Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 22.9900 Longitude : 87.8500 ‹ previous : +91-81719-(00000...99999) next › : +91-8172-(200000...299999) Dialling Instructions For trunk calls: 0 81720 00000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 81720 00000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00000 ~ 99999 (Count: 100,000) Example: +91-81720-00000 / 0091-81720-00000 (081720-00000 / 0-81720-00000) +91-81720-00001 / 0091-81720-00001 (081720-00001 / 0-81720-00001) +91-81720-00002 / 0091-81720-00002 (081720-00002 / 0-81720-00002) +91-81720-00003 / 0091-81720-00003 (081720-00003 / 0-81720-00003) +91-81720-00004 / 0091-81720-00004 (081720-00004 / 0-81720-00004) ...+91-81720-xxxxx / 0091-81720-xxxxx (081720-xxxxx / 0-81720-xxxxx) ...+91-81720-99995 / 0091-81720-99995 (081720-99995 / 0-81720-99995) +91-81720-99996 / 0091-81720-99996 (081720-99996 / 0-81720-99996) +91-81720-99997 / 0091-81720-99997 (081720-99997 / 0-81720-99997) +91-81720-99998 / 0091-81720-99998 (081720-99998 / 0-81720-99998) +91-81720-99999 / 0091-81720-99999 (081720-99999 / 0-81720-99999)