Area Code +387-51-(230000...239999) 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 : 230000 Subscriber Number To : 239999 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-(220000...229999) next › : +387-51-(240000...249999) Dialling Instructions For trunk calls: 0 51 230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 387 51 230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 230000 ~ 239999 (Count: 10,000) Example: +387-51-230000 / 00387-51-230000 (051-230000 / 0-51-230000) +387-51-230001 / 00387-51-230001 (051-230001 / 0-51-230001) +387-51-230002 / 00387-51-230002 (051-230002 / 0-51-230002) +387-51-230003 / 00387-51-230003 (051-230003 / 0-51-230003) +387-51-230004 / 00387-51-230004 (051-230004 / 0-51-230004) ...+387-51-xxxxxx / 00387-51-xxxxxx (051-xxxxxx / 0-51-xxxxxx) ...+387-51-239995 / 00387-51-239995 (051-239995 / 0-51-239995) +387-51-239996 / 00387-51-239996 (051-239996 / 0-51-239996) +387-51-239997 / 00387-51-239997 (051-239997 / 0-51-239997) +387-51-239998 / 00387-51-239998 (051-239998 / 0-51-239998) +387-51-239999 / 00387-51-239999 (051-239999 / 0-51-239999)