How do I amend the City Code (Contacts) in Outlook

O

orfeus169

WIthin my address book I have many HK based contacts and Outlook defaults to
+852 (1) XXXXXXX.

The (1) is incorrect and I'd like to remove this permanently. Does anyone
know how to do this.

Funnily enough my Outlook in the office allows me amend it but I'd like to
amend it for all HK contacts in HK rather than do this individually
 
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