Area Code +91-3621-(600000...699999) located in BOKO, Assam (AS), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 3621 Subscriber Number From : 600000 Subscriber Number To : 699999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Tata Teleservices Ltd (TTSL) 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 : BOKO Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 25.9800 Longitude : 91.2400 ‹ previous : +91-3621-(500000...599999) next › : +91-3621-(710000...719999) Dialling Instructions For trunk calls: 0 3621 600000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 3621 600000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 600000 ~ 699999 (Count: 100,000) Example: +91-3621-600000 / 0091-3621-600000 (03621-600000 / 0-3621-600000) +91-3621-600001 / 0091-3621-600001 (03621-600001 / 0-3621-600001) +91-3621-600002 / 0091-3621-600002 (03621-600002 / 0-3621-600002) +91-3621-600003 / 0091-3621-600003 (03621-600003 / 0-3621-600003) +91-3621-600004 / 0091-3621-600004 (03621-600004 / 0-3621-600004) ...+91-3621-xxxxxx / 0091-3621-xxxxxx (03621-xxxxxx / 0-3621-xxxxxx) ...+91-3621-699995 / 0091-3621-699995 (03621-699995 / 0-3621-699995) +91-3621-699996 / 0091-3621-699996 (03621-699996 / 0-3621-699996) +91-3621-699997 / 0091-3621-699997 (03621-699997 / 0-3621-699997) +91-3621-699998 / 0091-3621-699998 (03621-699998 / 0-3621-699998) +91-3621-699999 / 0091-3621-699999 (03621-699999 / 0-3621-699999)