Us Cellular 22899 Error Message <EXCLUSIVE>

From what I’ve found, 22899 is typically used for programming older 3G/CDMA devices or updating the Preferred Roaming List (PRL). But US Cellular has mostly moved away from that now, and using *22899 can cause errors or even break service on newer 4G/5G phones (especially iPhones and recent Androids).

Has anyone else run into the on US Cellular? I keep seeing it when trying to activate a device or update my roaming capabilities (dialing *22899). us cellular 22899 error message

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