Area Code +387-51-(990000...999999) 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 : 990000 Subscriber Number To : 999999 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 : BH Telecom 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-(960000...969999) next › : +387-52-(210000...219999) Dialling Instructions For trunk calls: 0 51 990000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 387 51 990000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 990000 ~ 999999 (Count: 10,000) Example: +387-51-990000 / 00387-51-990000 (051-990000 / 0-51-990000) +387-51-990001 / 00387-51-990001 (051-990001 / 0-51-990001) +387-51-990002 / 00387-51-990002 (051-990002 / 0-51-990002) +387-51-990003 / 00387-51-990003 (051-990003 / 0-51-990003) +387-51-990004 / 00387-51-990004 (051-990004 / 0-51-990004) ...+387-51-xxxxxx / 00387-51-xxxxxx (051-xxxxxx / 0-51-xxxxxx) ...+387-51-999995 / 00387-51-999995 (051-999995 / 0-51-999995) +387-51-999996 / 00387-51-999996 (051-999996 / 0-51-999996) +387-51-999997 / 00387-51-999997 (051-999997 / 0-51-999997) +387-51-999998 / 00387-51-999998 (051-999998 / 0-51-999998) +387-51-999999 / 00387-51-999999 (051-999999 / 0-51-999999)