Zone 23. Central Zone of Asia: JT (Mongolia), UA0Y, BY3G‑L (NeiMenggu), BY9G‑L (GanSu), BY9M‑R (NingXia), BY9S‑Z (QingHai) and BY0.
Zone 24. Eastern Zone of Asia: BV9P (Pratas Is.), BV (Taiwan), BY1, BY2, BY3A‑F (TianJin), BY3M‑R (HeBei), BY3S-X (ShanXi), BY4, BY5, BY6, BY7, BY8, BY9A‑F (ShaanXi), VR (Hong Kong), and XX (Macau).
这不就很明白了