Area code serving central Ontario, Canada, bordering area code 819.
Area code serving central Ontario, Canada, bordering area code 819.
NPA 705 created from 613 and 519
Area code 705 was created in 1956 from portions of the 613 and 519 numbering plan areas, serving most of northeastern and central Ontario.
NPA 705 split from 519 and 613
Area code 807 split from 705
NPA 705 reduced in coverage by split to 807
Jeopardy condition declared for area code 705
A jeopardy condition was declared for area code 705 on May 13, 2009, due to the projected exhaustion of available numbers.
NPA 249 overlay on 705 announced
NPA 249 to Overlay NPA 705 (Ontario, Canada)
NPA 249 overlay on 705 announced
NPA 249 to Overlay NPA 705 (Ontario, Canada)
Permissive 10-digit dialing begins for 705/249
Mandatory 10-digit dialing for 705/249
Mandatory 10-digit dialing was implemented on March 5, 2011, for all local calls in the 705/249 region as part of the overlay transition.
Area code 249 overlays 705
Ten-digit dialing becomes mandatory in 705/249
NPA 683 reserved for 705/249 overlay complex
In February 2017, area code 683 was reserved as a future overlay for the 705/249 numbering plan area in northeastern and central Ontario.
NPA 683 reserved for 705/249 region
Area code 683 was reserved on February 3, 2017, as a third area code for the 705/249 region in anticipation of future numbering exhaustion.
Jeopardy condition declared for 249/705 complex
On February 26, 2021, a jeopardy condition was declared for the 249/705 overlay complex due to the accelerated exhaustion of available numbers.
NPA 683 overlay on 249/705 announced
NPA 683 to Overlay NPA 249/705 (central and northeastern Ontario)