In So.Cal?
NM - Beverly Hills, Newport Beach
Saks: Beverly Hills, SCP
Bloomies: SCP
There is more, call the stores and they will be able to tell which for sure!
In NY, there's also Hirshleifer's (at the Americana Manhasset on Long Island) and Jeffrey (in the Meatpacking District in NYC). Jeffrey NY just recently began carrying Chanel bags (recent as in only a few months ago) -- they have a very limited selection (6 or so styles) but this is just the start for them.