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To ensure a continuing supply of telephone numbers, the Public Service Commission of Wisconsin has approved an all-services overlay for the 608 area code. The 608 area code serves the southwestern portion of the state including communities such as Beloit, Janesville, La Crosse, Middleton, Monroe, Platteville, Stoughton, Sun Prairie, and Wisconsin Dells. It also serves Madison, the state capitol. The new 353 area code will serve the same geographic area currently served by the 608 area code.

An overlay is the addition of another area code (353) to the same geographic region as an existing area code (608). The overlay does not require you to change your existing area code or phone number, or how you dial your calls. You will continue to dial the area code and phone number for all local calls, as you do today, within and between the 608 and 353 area codes.

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Beginning September 15, 2023, customers in the 608 area code region may be assigned a number in the new 353 area code when they request new service or an additional line. Customers receiving the 353 area code will be required to dial the area code and phone number for all local calls, just as customers with telephone numbers from the 608 area code do today.

If you have any questions regarding information provided in this notice, please call Metro by T-Mobile at 1-888-8METRO-8. You may also visit the Public Service Commission’s website at https://psc.wi.gov/Pages/ForConsumers/MoreResources/AreaCodeExhaustion.aspx.