Area code 463 is an overlay for the Indianapolis area, introduced to provide additional numbering resources alongside 317.
Area code 463 is an overlay for the Indianapolis area, introduced to provide additional numbering resources alongside 317.
NPA 463 overlay on 317 announced
NPA 463 to Overlay NPA 317 (Indiana)
Overlay of area code 463 in Indianapolis
Area code 463 was added as an overlay to area code 317 on March 15, 2016, initiating a permissive dialing period allowing both seven- and ten-digit dialing.
Permissive dialing period begins for 317/463 overlay
NPA 463 overlay on 317 announced
NPA 463 to Overlay NPA 317 (Indiana)
Mandatory ten-digit dialing planned for 317/463
Mandatory ten-digit dialing was originally scheduled to begin on September 15, 2016, for the 317/463 overlay area in central Indiana.
Mandatory ten-digit dialing implemented for 317/463
The deadline for mandatory ten-digit dialing in the 317/463 overlay area was extended to October 15, 2016, when ten-digit dialing became mandatory.
Area code 463 overlaid on 317
On November 15, 2016, area code 463 was introduced as an overlay to area code 317 in central Indiana to provide additional numbering resources.