Area Code +255-23-(0000000...9999999) located in Coast, Morogoro, Lindi and Mtwara, more detail is as below. Place International Dialing Code : 255 International Prefix : 000 National Prefix : 0 National Destination Code : 23 Subscriber Number From : 0000000 Subscriber Number To : 9999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Tanzania Telecom Click here to buy Tanzania Area Code Database Other Information Language Code : sw (Swahili) Country Number : 834 (Tanzania) Country Code : TZ (Tanzania) City : Coast, Morogoro, Lindi and Mtwara Timezone : Africa/Dar_es_Salaam Coordinated Universal Time : +03:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : -6.8200 Longitude : 37.6600 ‹ previous : +255-22-(0000000...9999999) next › : +255-24-(0000000...9999999) Dialling Instructions For trunk calls: 0 23 0000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 000 255 23 0000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000000 ~ 9999999 (Count: 10,000,000) Example: +255-23-0000000 / 000255-23-0000000 (023-0000000 / 0-23-0000000) +255-23-0000001 / 000255-23-0000001 (023-0000001 / 0-23-0000001) +255-23-0000002 / 000255-23-0000002 (023-0000002 / 0-23-0000002) +255-23-0000003 / 000255-23-0000003 (023-0000003 / 0-23-0000003) +255-23-0000004 / 000255-23-0000004 (023-0000004 / 0-23-0000004) ...+255-23-xxxxxxx / 000255-23-xxxxxxx (023-xxxxxxx / 0-23-xxxxxxx) ...+255-23-9999995 / 000255-23-9999995 (023-9999995 / 0-23-9999995) +255-23-9999996 / 000255-23-9999996 (023-9999996 / 0-23-9999996) +255-23-9999997 / 000255-23-9999997 (023-9999997 / 0-23-9999997) +255-23-9999998 / 000255-23-9999998 (023-9999998 / 0-23-9999998) +255-23-9999999 / 000255-23-9999999 (023-9999999 / 0-23-9999999)