Originally Posted by
FangsF15
You have T-Mobile, don't you? This is a known issue. +84 is the country code for Vietnam. For some reason, T-Mobile truncates the 1 from the number, so the system parses the 844 area code as being +84-4XX.
Save the # in your contacts as ARCOS if you want better Caller ID. Also try staying logged into ARCOS and allowing app notifications. You will get a ping from the app along with the phone call.