Area Code 786 will overlay Dade county's 305 on July 1, 1999.
Monroe county residents will be excluded from both mandatory 10-digit dialing AND the area
code overlay.
There will be a 4 month permissive dialing period for 10-digit
dialing, and all existing area code 305 exchanges will remain in area code 305. Mandatory
10-digit dialing in 305 is scheduled for July 1, 1999.