Area Code +91-6438-(000000...999999) located in MADHUPUR, Bihār (BR), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 6438 Subscriber Number From : 000000 Subscriber Number To : 999999 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 : Bharat Sanchar Nigam Limited (BSNL) Click here to buy India Area Code Database Other Information Language Code : hi (Hindi) Country Number : 356 (India) Country Code : IN (India) Region Code : BR Region Name : Bihār City : MADHUPUR Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : None Longitude : None ‹ previous : +91-6437-(000000...999999) next › : +91-6451-(000000...999999) Dialling Instructions For trunk calls: 0 6438 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 6438 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 999999 (Count: 1,000,000) Example: +91-6438-000000 / 0091-6438-000000 (06438-000000 / 0-6438-000000) +91-6438-000001 / 0091-6438-000001 (06438-000001 / 0-6438-000001) +91-6438-000002 / 0091-6438-000002 (06438-000002 / 0-6438-000002) +91-6438-000003 / 0091-6438-000003 (06438-000003 / 0-6438-000003) +91-6438-000004 / 0091-6438-000004 (06438-000004 / 0-6438-000004) ...+91-6438-xxxxxx / 0091-6438-xxxxxx (06438-xxxxxx / 0-6438-xxxxxx) ...+91-6438-999995 / 0091-6438-999995 (06438-999995 / 0-6438-999995) +91-6438-999996 / 0091-6438-999996 (06438-999996 / 0-6438-999996) +91-6438-999997 / 0091-6438-999997 (06438-999997 / 0-6438-999997) +91-6438-999998 / 0091-6438-999998 (06438-999998 / 0-6438-999998) +91-6438-999999 / 0091-6438-999999 (06438-999999 / 0-6438-999999)