Area code 942 – Ontario
942 has served Ontario since 2025, split from 416. It is still largely empty: 57 of 800 number blocks allocated. No carrier dominates: Other CLEC / VoIP 5.3%. It shares its geography with overlay codes 416, 437, 647, so local calls take all ten digits. All of its numbers sit in a single telephone rate center covering the whole area.
- Province
- Ontario
- In service since
- 2025
- Time zone
- Eastern
Who holds 942 number blocks
Share of the 57 assigned NXX blocks (7.1% of the 786 possible), across 1 carriers. This is share of number blocks, not of subscribers.
- Other CLEC / VoIP5.3%
Rate centers in 942
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. This code has a single rate center covering its whole area.
Timeline
- 2025 942 goes into service, split from or overlaid on 416.
More about 942
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 942
Where is area code 942?
Ontario. It covers the same area as 416/437/647/942.
Which carrier owns 942 numbers?
Other CLEC / VoIP holds the largest share of assigned number blocks at 5.3%. 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 942?
Yes – ten digits for local calls in 942, 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
NANPA dialing note for this code: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.