IP address and zip codes
Hi, IP addresses are stored but not available.
They're used to process sessions by looking up IP ranges and cross-referencing them with GPS info provided by ISPs.
That GPS data is used to determine user location.
To answer your question, ZIP/area codes are not available and the User ID won't help.
The only way to do this is to get users to enter said zip-code and area code in a form (but private info such as email, postal address and full phone number cannot be stored or reported on in GA.
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