enable-zones

The multipass enable-zones command makes one or more availability zones available again after they were disabled with multipass disable-zones. Any instances that were running in the zone when it was disabled are started back up.

Pass one or more zone names as arguments, or use --all to enable every zone at once:

multipass enable-zones zone2 zone3

Zones enabled: zone2, zone3

The full multipass help enable-zones output explains the available options:

Usage: multipass enable-zones [options] <zone> [<zone> ...]
Makes the given availability zones available. Instances therein are
started if they were running when their zone was last disabled.

Options:
  -h, --help     Displays help on commandline options
  -v, --verbose  Increase logging verbosity. Repeat the 'v' in the short
                option for more detail. Maximum verbosity is obtained with
                4 (or more) v's, i.e. -vvvv.
  --all          Enable all zones

Arguments:
  zone           Name of the zones to make available