Calling codes in the table are assigned to new customers by the respective provider.

However, it has been possible to change the operator and retain the old calling code (along with the rest of the phone number) since 2013.

The following special telephone numbers are valid across the country:[3] Toll-free numbers by operators in Bosnia and Herzegovina:[4] Bosnia and Herzegovina once was a part of Yugoslavia.

While the international prefix for Yugoslavia was +38, places in Bosnia and Herzegovina were assigned phonecodes (and postcodes) beginning with 7 and 8.

However, they are still used at times to identify places in Bosnia and Herzegovina, particularly 071 (Sarajevo), 078 (Banja Luka) and 075 (Tuzla).