Area code 519 – Ontario
519 has served Ontario since 1953. 779 of its 800 number blocks are allocated – about 97% full. No carrier dominates: Other CLEC / VoIP 14.2%. It shares its geography with overlay codes 226, 382, 548, so local calls take all ten digits. Spam complaints are comparatively rare: 290 in the 33 days to 30 October 2026, 310th of the 422 codes with five or more complaints. Most of its numbers are in London, Kitchener-Waterloo, Windsor.
- Province
- Ontario
- In service since
- 1953
- Time zone
- Eastern
Who holds 519 number blocks
Share of the 779 assigned NXX blocks (97.4% of the 786 possible), across 1 carriers. This is share of number blocks, not of subscribers.
- Other CLEC / VoIP14.2%
Spam complaints naming 519
FTC Do Not Call complaints where the caller ID was a 519 number, 28 Sep – 30 Oct 2026 (33 days). Caller IDs on spam calls are frequently spoofed, so these are complaints about the code, not calls proven to originate in it.
Rate centers in 519
NANPA allocates number blocks to rate centers and records their names abbreviated to ten characters, so these are NANPA's codes rather than place names – CHAMPAURBN is Champaign-Urbana, NWYRCYZN01 is a New York City zone. We show them unchanged instead of guessing at the full names. Showing the largest 5 of 211.
Timeline
- 1953 519 goes into service in Ontario.
More about 519
Separate pages for the questions that need their own answer: what time it is there, what the complaint data says, who holds the number blocks, and how the code compares with the one it shares its area with.
Frequently asked about 519
Where is area code 519?
Ontario. It covers the same area as 226/382/519/548.
Can I still get a 519 number?
Only from recycled stock. 779 of the 800 available blocks are already allocated, so new numbers in the area normally come from the overlay codes (226/382/519/548).
Is a call from 519 a scam?
Not by itself. 519 drew 290 FTC complaints in the 33 days to 30 October 2026, 310th of 422 ranked codes – mid-pack or lower. Spam callers spoof caller IDs, so the only useful check is the full number.
Which carrier owns 519 numbers?
Other CLEC / VoIP holds the largest share of assigned number blocks at 14.2%. This is share of number blocks, not of subscribers – people keep their numbers when they switch carriers.
Do I need to dial 10 digits in 519?
Yes – ten digits for local calls in 519, because it shares its area with another code.
Sources and verification
- NANPA – NPA Database (npa_report.csv), file date 11/01/2026, retrieved Nov 1, 2026
- NANPA – CO Code Assignment Records, All States (utilized), file updated 11/01/2026, retrieved Nov 1, 2026
- FTC – Do Not Call Reported Calls Data, 25 daily files 28 Sep – 30 Oct 2026, retrieved Nov 1, 2026
NANPA dialing note for this code: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.