Area code 584 – Manitoba
584 has served Manitoba since 2022, split from 204. It is still largely empty: 35 of 800 number blocks allocated. No carrier dominates: Other CLEC / VoIP 28.6%. It shares its geography with overlay codes 204, 431, so local calls take all ten digits. Most of its numbers are in Winnipeg, Portage La Prairie, Poplar Point.
- Province
- Manitoba
- In service since
- 2022
- Time zone
- Central
Who holds 584 number blocks
Share of the 35 assigned NXX blocks (4.4% of the 786 possible), across 1 carriers. This is share of number blocks, not of subscribers.
- Other CLEC / VoIP28.6%
Rate centers in 584
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 13.
Timeline
- 2022 584 goes into service, split from or overlaid on 204.
More about 584
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 584
Where is area code 584?
Manitoba. It covers the same area as 204/431/584.
Which carrier owns 584 numbers?
Other CLEC / VoIP holds the largest share of assigned number blocks at 28.6%. 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 584?
Yes – ten digits for local calls in 584, 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.