You can call me direct.
私のところへは直通で電話できます
You can call on me anytime you are free.
ひまなときはいつでも訪ねて来てください
You can charge your ticket on Visa.
チケットはVISAカードでお支払いが可能です
You can [may] come with us if you want (to).
よかったら一緒に行こう(◆toの省略は((略式)))
You can contact me on the number.
私への連絡はその番号で
You can contract with us to deliver your cargo.
荷の配送契約もできます
You can do it however you like.
好きにやれ
You can do it.
(人を励まして)やればできる
You can finish the work at the office, at home, or wherever.
仕事は会社でも家でもどこで仕上げてもよい
You can forget about it.
(気にせず)忘れて