10-digit dialing to be required as Detroit's 313 area code gets company from 679

BBB Tips: The Truth Behind the Area Code Scam

Detroit Could Get New Area Code As '313' Numbers Run Low

This is the top reported California area code for scam calls

Starting in October, Detroit-area callers will need to dial 10 digits

What area code is 313 >> Get a 313 phone number in Detroit | Ringover

As Detroit's 313 area code numbers run out, local callers will soon need to dial 10 digits