Area Code +91-7637-(400000...499999) located in BIRSA, Madhya Pradesh (MP), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 7637 Subscriber Number From : 400000 Subscriber Number To : 499999 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 : 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 : MP Region Name : Madhya Pradesh City : BIRSA Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 22.0100 Longitude : 80.7400 ‹ previous : +91-7637-(300000...399999) next › : +91-7637-(500000...599999) Dialling Instructions For trunk calls: 0 7637 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 7637 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 499999 (Count: 100,000) Example: +91-7637-400000 / 0091-7637-400000 (07637-400000 / 0-7637-400000) +91-7637-400001 / 0091-7637-400001 (07637-400001 / 0-7637-400001) +91-7637-400002 / 0091-7637-400002 (07637-400002 / 0-7637-400002) +91-7637-400003 / 0091-7637-400003 (07637-400003 / 0-7637-400003) +91-7637-400004 / 0091-7637-400004 (07637-400004 / 0-7637-400004) ...+91-7637-xxxxxx / 0091-7637-xxxxxx (07637-xxxxxx / 0-7637-xxxxxx) ...+91-7637-499995 / 0091-7637-499995 (07637-499995 / 0-7637-499995) +91-7637-499996 / 0091-7637-499996 (07637-499996 / 0-7637-499996) +91-7637-499997 / 0091-7637-499997 (07637-499997 / 0-7637-499997) +91-7637-499998 / 0091-7637-499998 (07637-499998 / 0-7637-499998) +91-7637-499999 / 0091-7637-499999 (07637-499999 / 0-7637-499999)