Region ; Prefix   ; Length ; Type       ; Tariff
BY     ; 10[1-3]  ; 3      ; EMERGENCY  ; TOLL_FREE
BY     ; 10[4-79] ; 3      ; COMMERCIAL
BY     ; 112      ; 3      ; EMERGENCY  ; TOLL_FREE
BY     ; 11[46]   ; 3      ; COMMERCIAL
BY     ; 135      ; 3      ; COMMERCIAL
BY     ; 15[1-35] ; 3      ; COMMERCIAL
BY     ; 16[89]   ; 3      ; COMMERCIAL
BY     ; 17[5-7]  ; 3      ; COMMERCIAL
BY     ; 18[58]   ; 3      ; COMMERCIAL
BY     ; 19[1-7]  ; 3      ; COMMERCIAL