Pacific hours are the hardest to cover from Southern Africa, and this is how that gap gets closed.
Santa Barbara is the studio's presence on the West Coast.
Pacific Time is the hardest American timezone to cover from Southern Africa. A Harare working day has already finished by the time a California morning starts, so without somebody reachable on Pacific hours a West Coast client waits a full day for every answer. That is the gap this location closes.
If you are on the West Coast, this is the number that reaches a person soonest.
Either number reaches a person. Email works too.