Saturday is the day that 10-digit dialing begins in what has been the 717 area code. The change is required as a result of a new "overlay" area code -- 223 -- being activated in the 717 service area.

HARRISBURG, Pa. – Today the Pennsylvania Public Utility Commission approved a modified implementation schedule for the new “223” overlay area code, which covers all or part of 16 counties in Central ...

An additional area code for the Susquehanna Valley region - the "717" - has been selected. Now, "223" will be assigned to new telephone numbers once the available supply of numbers is exhausted. Based ...

Starting in the fall, the 223 area code will begin begin assigned to new telephone numbers in central Pennsylvania. On Aug. 26, anyone making calls to numbers in the 717 or 223 area codes will have to ...

Probably starting next summer or early fall, the area code for new telephone numbers in the saturated 717 region will be 223. The new area code was announced Tuesday by Neustar Inc., the company ...