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The and variables are conversion variables.
They are like eVars in that they capture events, but unlike eVars, they don't persist. The zip and state variables are like eVars that expire immediately.
Max Size
Debugger Parameter
Reports Populated
Default Value
50 bytes
Conversion > Visitor Profile > ZIP/Postal Codes
Since the state and zip variables expire immediately, the only events associated with them are events fired on the same page that are populated. For example, if you are using zip to compare conversion rates by Zip Code, you should populate zip on every page of the checkout process. Adobe recommends using the billing address as the source for the Zip Code. You may choose to use the shipping address instead (assuming there is only one shipping address for the order). A media site may choose to use zip and state for registration or ad click-through tracking.
Syntax and Possible Values"zip_code"

The zip variable does not impose any value or format restrictions. There are no limitations on zip outside of the standard variable limitations.

Configuration Settings
Pitfalls, Questions, and Tips
  • Populate zip on every page in which a relevant event is fired (such as each page of the checkout process).
  • The zip and state variables act like eVars that expire on the Page View.