I used this map set in my Garmin Zumo 660 and it will fit MANY other Garmin Devices. it is
"Open Map Chest - Contiguous United States 9/18/2020"
If your maps are Older, this could be an Improvement for you
Find hotels, restaurants and attractions
Points of interest, routes and turn-by-turn voice directions
This map will work all models in these Garmin product lines. aera, Alpha, Astro, BMW Motorrad Navigator, Colorado, D2 Charlie, D2 Delta, Dakota, Descent, dezl, dezlCam, Drive, DriveAssist, DriveLuxe, DriveSmart, DriveTrack, Edge, epix, eTrex, fenix, Fleet, Forerunner, MARQ, Montana, Monterra, nüLink!, nüvi, nüviCam, Oregon, Overlander, quantix, Rino, RV, tactix, Tread, zumo