Area Code +385-31-(231000...231999) located in Osijek, Osječko-baranjska (14), more detail is as below. Place International Dialing Code : 385 International Prefix : 00 National Prefix : 0 National Destination Code : 31 Subscriber Number From : 231000 Subscriber Number To : 231999 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 : HT d.d. Click here to buy Croatia Area Code Database Other Information Language Code : hr (Croatian) Country Number : 191 (Croatia) Country Code : HR (Croatia) Region Code : 14 Region Name : Osječko-baranjska City : Osijek Timezone : Europe/Zagreb Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 45.5500 Longitude : 18.7000 ‹ previous : +385-31-(230000...230999) next › : +385-31-(232000...232999) Dialling Instructions For trunk calls: 0 31 231000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 385 31 231000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 231000 ~ 231999 (Count: 1,000) Example: +385-31-231000 / 00385-31-231000 (031-231000 / 0-31-231000) +385-31-231001 / 00385-31-231001 (031-231001 / 0-31-231001) +385-31-231002 / 00385-31-231002 (031-231002 / 0-31-231002) +385-31-231003 / 00385-31-231003 (031-231003 / 0-31-231003) +385-31-231004 / 00385-31-231004 (031-231004 / 0-31-231004) ...+385-31-xxxxxx / 00385-31-xxxxxx (031-xxxxxx / 0-31-xxxxxx) ...+385-31-231995 / 00385-31-231995 (031-231995 / 0-31-231995) +385-31-231996 / 00385-31-231996 (031-231996 / 0-31-231996) +385-31-231997 / 00385-31-231997 (031-231997 / 0-31-231997) +385-31-231998 / 00385-31-231998 (031-231998 / 0-31-231998) +385-31-231999 / 00385-31-231999 (031-231999 / 0-31-231999)