Area Code +880-31-(610000...639999) located in Chittagong, Chittagong (10), more detail is as below. Place International Dialing Code : 880 International Prefix : 00 National Prefix : 0 National Destination Code : 31 Subscriber Number From : 610000 Subscriber Number To : 639999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : BTTB Click here to buy Bangladesh Area Code Database Other Information Language Code : bn (Bengali) Country Number : 50 (Bangladesh) Country Code : BD (Bangladesh) Region Code : 10 Region Name : Chittagong City : Chittagong Timezone : Asia/Dhaka Coordinated Universal Time : +06:00 Daylight Saving Time : No National Significant Number Minimum Length : 8 Latitude : 22.3700 Longitude : 91.8000 ‹ previous : +880-3036-(8000...8999) next › : +880-31-(650000...659999) Dialling Instructions For trunk calls: 0 31 610000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 880 31 610000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 610000 ~ 639999 (Count: 30,000) Example: +880-31-610000 / 00880-31-610000 (031-610000 / 0-31-610000) +880-31-610001 / 00880-31-610001 (031-610001 / 0-31-610001) +880-31-610002 / 00880-31-610002 (031-610002 / 0-31-610002) +880-31-610003 / 00880-31-610003 (031-610003 / 0-31-610003) +880-31-610004 / 00880-31-610004 (031-610004 / 0-31-610004) ...+880-31-xxxxxx / 00880-31-xxxxxx (031-xxxxxx / 0-31-xxxxxx) ...+880-31-639995 / 00880-31-639995 (031-639995 / 0-31-639995) +880-31-639996 / 00880-31-639996 (031-639996 / 0-31-639996) +880-31-639997 / 00880-31-639997 (031-639997 / 0-31-639997) +880-31-639998 / 00880-31-639998 (031-639998 / 0-31-639998) +880-31-639999 / 00880-31-639999 (031-639999 / 0-31-639999)
