Yeah... Between Carmel Highlands and the Lucia/Gorda area (where the road ends going south) don't expect to have any kind of reliable cell contact without a SAT phone. To be fair, ignoring the landslide there's really no service on Hey 1 between Carmel and San Simeon. The exception is that you can stop at some local businesses with good wi-fi service, login, and make calls that way.
Not much reception for any carrier up there.
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