Area Code +880-31-(740000...759999) 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 : 740000 Subscriber Number To : 759999 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 : +880-31-(710000...729999) next › : +880-31-(810000...819999) Dialling Instructions For trunk calls: 0 31 740000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 880 31 740000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 740000 ~ 759999 (Count: 20,000) Example: +880-31-740000 / 00880-31-740000 (031-740000 / 0-31-740000) +880-31-740001 / 00880-31-740001 (031-740001 / 0-31-740001) +880-31-740002 / 00880-31-740002 (031-740002 / 0-31-740002) +880-31-740003 / 00880-31-740003 (031-740003 / 0-31-740003) +880-31-740004 / 00880-31-740004 (031-740004 / 0-31-740004) ...+880-31-xxxxxx / 00880-31-xxxxxx (031-xxxxxx / 0-31-xxxxxx) ...+880-31-759995 / 00880-31-759995 (031-759995 / 0-31-759995) +880-31-759996 / 00880-31-759996 (031-759996 / 0-31-759996) +880-31-759997 / 00880-31-759997 (031-759997 / 0-31-759997) +880-31-759998 / 00880-31-759998 (031-759998 / 0-31-759998) +880-31-759999 / 00880-31-759999 (031-759999 / 0-31-759999)