In many parts of the US, it has long been possible to make local calls with just the seven-digit phone number; the three-digit area code was implicit for calls between numbers using the same area code ...

Starting on Oct. 7, people will be required to dial 10 digits for phone calls as numbers with the 313 area code run out.

Editor's note: This story was originally published in 2016 but if you're looking for 10 digit numbers for the current 911 outages on Dec. 28, 2018, read our current story that has the current numbers ...

NEW YORK — Federal regulators are setting up a new three-digit number to reach a suicide prevention hotline in order to make it easier to seek help and reduce the stigma associated with mental health.