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Daegu's Dalseong-gun Guji-myeon will be elevated to Guji-eup on October 22, 2026, resulting in a regional code change. Existing location targeting settings will become invalid and stop working automatically. Advertisers must update their location targeting to the new regional code after the change date. This is especially critical for local small business ads that support only eup-myeon-dong level targeting, as ads will not display if not updated.
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