Area Code +91-1237-(300000...399999) 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 : 300000 Subscriber Number To : 399999 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 : Reliance Communications 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-(200000...299999) next › : +91-1237-(400000...499999) Dialling Instructions For trunk calls: 0 1237 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 1237 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 399999 (Count: 100,000) Example: +91-1237-300000 / 0091-1237-300000 (01237-300000 / 0-1237-300000) +91-1237-300001 / 0091-1237-300001 (01237-300001 / 0-1237-300001) +91-1237-300002 / 0091-1237-300002 (01237-300002 / 0-1237-300002) +91-1237-300003 / 0091-1237-300003 (01237-300003 / 0-1237-300003) +91-1237-300004 / 0091-1237-300004 (01237-300004 / 0-1237-300004) ...+91-1237-xxxxxx / 0091-1237-xxxxxx (01237-xxxxxx / 0-1237-xxxxxx) ...+91-1237-399995 / 0091-1237-399995 (01237-399995 / 0-1237-399995) +91-1237-399996 / 0091-1237-399996 (01237-399996 / 0-1237-399996) +91-1237-399997 / 0091-1237-399997 (01237-399997 / 0-1237-399997) +91-1237-399998 / 0091-1237-399998 (01237-399998 / 0-1237-399998) +91-1237-399999 / 0091-1237-399999 (01237-399999 / 0-1237-399999)