The Hospital Authority(HA) will gradually adopt a set of designated prefixes for caller identification (caller ID) numbers. Starting from June 2026, below caller ID will be displayed when phone calls are made by NTWC hospitals or clinics.
The HA also reminds members of the public that all numbers starting with 18285 or 18286 will be used solely for caller ID purposes of calls made by the HA, to assist the public in identifying incoming calls. When members of the public call back the number, they will generally only hear a recorded phone message indicating which public hospital or clinic the call originated from. If necessary, staff will contact them again proactively later. The caller ID number will not be connected to the relevant public hospital or clinic. After the caller ID number transition, the phone numbers of the HA operating units remain unchanged. Members of the public may visit the HA website to check the relevant dialing numbers.