Area Code +387-51-(320000...329999) located in Banja Luka, more detail is as below. Place International Dialing Code : 387 International Prefix : 00 National Prefix : 0 National Destination Code : 51 Subscriber Number From : 320000 Subscriber Number To : 329999 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 : Telekom Srpske Click here to buy Bosnia and Herzegovina Area Code Database Other Information Language Code : bs (Bosnian) Country Number : 70 (Bosnia and Herzegovina) Country Code : BA (Bosnia and Herzegovina) City : Banja Luka Timezone : Europe/Sarajevo Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 44.7700 Longitude : 17.1800 ‹ previous : +387-51-(310000...319999) next › : +387-51-(330000...339999) Dialling Instructions For trunk calls: 0 51 320000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 387 51 320000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 320000 ~ 329999 (Count: 10,000) Example: +387-51-320000 / 00387-51-320000 (051-320000 / 0-51-320000) +387-51-320001 / 00387-51-320001 (051-320001 / 0-51-320001) +387-51-320002 / 00387-51-320002 (051-320002 / 0-51-320002) +387-51-320003 / 00387-51-320003 (051-320003 / 0-51-320003) +387-51-320004 / 00387-51-320004 (051-320004 / 0-51-320004) ...+387-51-xxxxxx / 00387-51-xxxxxx (051-xxxxxx / 0-51-xxxxxx) ...+387-51-329995 / 00387-51-329995 (051-329995 / 0-51-329995) +387-51-329996 / 00387-51-329996 (051-329996 / 0-51-329996) +387-51-329997 / 00387-51-329997 (051-329997 / 0-51-329997) +387-51-329998 / 00387-51-329998 (051-329998 / 0-51-329998) +387-51-329999 / 00387-51-329999 (051-329999 / 0-51-329999)