+359-30-(257000...257999): Vishnevo, Smolyan (21) Baca lebih lanjut mengenai +359-30-(257000...257999)
+359-30-(260000...269999): Smilyan, Smolyan (21) Baca lebih lanjut mengenai +359-30-(260000...269999)
+359-30-(270000...279999): Slaveino, Smolyan (21) Baca lebih lanjut mengenai +359-30-(270000...279999)
+359-30-(290000...299999): Petkovo, Smolyan (21) Baca lebih lanjut mengenai +359-30-(290000...299999)
+359-30-(300000...309999): Shiroka Laka, Smolyan (21) Baca lebih lanjut mengenai +359-30-(300000...309999)
+359-30-(320000...329999): Srednogorci, Smolyan (21) Baca lebih lanjut mengenai +359-30-(320000...329999)
+359-30-(340000...349999): Levochevo, Smolyan (21) Baca lebih lanjut mengenai +359-30-(340000...349999)