Area code serving most of the eastern half of Pennsylvania outside the lower Delaware and Lehigh Valleys.
Area code serving most of the eastern half of Pennsylvania outside the lower Delaware and Lehigh Valleys.
NPA 717 introduced as one of Pennsylvania's original area codes
Boundary adjustment between 215 and 717
Three central offices moved from 215 to 717 instead of 610
Declaration of Jeopardy Situation in NPA 717 (Pennsylvania)
Extraordinary NPA-Specific Conservation Procedures for 717 NPA (Pennsylvania)
Changes to Extraordinary NPA-Specific Conservation Procedures for 215 and 717 NPAs (Pennsylvania)
NANP-Split of 717 (Pennsylvania) Numbering Plan Area (NPA)
NPA 570 split from 717
On December 5, 1998, the northern portion of the old 717 territory, centered on Scranton, Wilkes-Barre, and Williamsport, received area code 570.
NPA 570 split from 717
On December 5, 1998, the northern portion of the old 717 territory, centered on Scranton, Wilkes-Barre, and Williamsport, received area code 570.
NPA 570 split from 717
On December 5, 1998, the northern portion of the old 717 territory, centered on Scranton, Wilkes-Barre, and Williamsport, received area code 570.
NPA 570 split from 717
NPA 223 approved as an overlay for 717
In October 2016, area code 223 was approved as an overlay for the 717 numbering plan area after relief studies projected exhaustion.
NPA 223 overlay on 717 announced
NPA 223 to Overlay NPA 717 (Pennsylvania)
NPA 223 overlay on 717 announced
NPA 223 to Overlay NPA 717 (Pennsylvania)
Central office code orders opened for NPA 223
Area code 223 became available for central office code orders on July 22, 2017.
Area code 223 becomes available for central office code orders
NPA 223 overlay planned for 717
Mandatory ten-digit dialing begins in 717/223 overlay
Ten-digit dialing became mandatory in the 717/223 overlay area on August 26, 2017, to accommodate the new overlay area code and ensure proper call routing.
NPA 223 overlay activated on 717
Area code 223 was activated as an overlay to area code 717 on September 26, 2017, requiring ten-digit dialing for all calls in the numbering plan area.