Get in touch with somebody/something - Idioms by The Free Dictionary
get in touch with somebody/something
get in touch (with one)
To initiate or establish contact or communication with one I tried getting in touch with you yesterday, but the office said you were out sick. Please get in touch as soon as you're back home!
get in ˈtouch with somebody/something make contact with somebody/something (by phone, letter, visit, etc.): Here’s my phone number in case you need to get in touch with me.