Area Code +91-1237-(400000...499999) located in SARDHANA, Uttar Pradesh (UP), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 1237 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 : UP Region Name : Uttar Pradesh City : SARDHANA Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 29.1500 Longitude : 77.6100 ‹ previous : +91-1237-(300000...399999) next › : +91-1237-(500000...599999) Dialling Instructions For trunk calls: 0 1237 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 1237 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 499999 (Count: 100,000) Example: +91-1237-400000 / 0091-1237-400000 (01237-400000 / 0-1237-400000) +91-1237-400001 / 0091-1237-400001 (01237-400001 / 0-1237-400001) +91-1237-400002 / 0091-1237-400002 (01237-400002 / 0-1237-400002) +91-1237-400003 / 0091-1237-400003 (01237-400003 / 0-1237-400003) +91-1237-400004 / 0091-1237-400004 (01237-400004 / 0-1237-400004) ...+91-1237-xxxxxx / 0091-1237-xxxxxx (01237-xxxxxx / 0-1237-xxxxxx) ...+91-1237-499995 / 0091-1237-499995 (01237-499995 / 0-1237-499995) +91-1237-499996 / 0091-1237-499996 (01237-499996 / 0-1237-499996) +91-1237-499997 / 0091-1237-499997 (01237-499997 / 0-1237-499997) +91-1237-499998 / 0091-1237-499998 (01237-499998 / 0-1237-499998) +91-1237-499999 / 0091-1237-499999 (01237-499999 / 0-1237-499999)