Area code 584: Manitoba
What is area code 584?
Area code 584 is a Canadian province area code for Manitoba, on Central Time. It has 15 prefixes in service across 13 exchange areas, the largest being Winnipeg, Poplar Point and St. Adolphe. It shares its area with 204 and 431, so local numbers there can start with any of them. Local calls there take 10 digits.
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See the phone add-onArea code 584 facts
| Location | Manitoba, Canada |
|---|---|
| Time zone | Central Time |
| Overlays | 204, 431 |
| Overlay of | 204 |
| In service since | October 29, 2022 |
| Local calls | 10 digits; toll calls 1 + 10 digits |
| Carrier | Not shown. An area code is where a number was issued; numbers port between carriers. Check line type |
In short: 584 is Manitoba (Central Time). Format checks here are free and run in your browser; the current carrier and line type need a live lookup. Bulk phone number validator · Pro + Phone plan
Local time in area code 584
America/Winnipeg
Prefixes in service
15 of 792 possible
13 exchange areas
Which cities and towns use area code 584?
The Canadian Numbering Administrator records each prefix against an exchange area, usually named after its main town. These are the 584 exchange areas with the most prefixes in service. 1 smaller ones aren't listed.
| Exchange area | Prefixes |
|---|---|
| Winnipeg | 3 |
| Poplar Point | 1 |
| St. Adolphe | 1 |
| Crystal City | 1 |
| Stonewall | 1 |
| St. Francois Xavier | 1 |
| Amaranth | 1 |
| Portage La Prairie | 1 |
| Oakville | 1 |
| Oakbank | 1 |
| Macgregor | 1 |
| Notre Dame de Lourdes | 1 |
Source: Canadian Numbering Administrator CO code status, file dated 2026-10-16. Each prefix holds up to 10,000 numbers.
How do I dial a 584 number?
NANPA's dialling plan for 584: local calls inside the code take 10 digits, toll calls 1 + 10 digits. From another area code, dial 1 first. From abroad, use +1. The examples use 555-0147, from a range reserved for fictional numbers.
| Local call inside 584 | 584-555-0147 |
|---|---|
| From another US or Canadian area code | 1-584-555-0147 |
| From outside North America | +1 584 555 0147 |
| E.164, for CRMs and SMS tools | +15845550147 |
When did area code 584 start?
Area code 584 went into service on October 29, 2022 as an overlay of 204. Today 584, 204 and 431 cover the same area as an overlay, which is why 10-digit dialling is needed for local calls there.
Tools for 584 numbers
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- Area code time zone
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- NPA-NXX lookup
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- TCPA calling hours checker
Whether it's inside the federal 8 a.m. to 9 p.m. calling window there now.
Next step
A 584 number tells you where it was issued, not what it is now.
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Area code 584 questions
- What province is area code 584?
- Area code 584 is in Manitoba, Canada. Its largest exchange areas by number of prefixes are Winnipeg, Poplar Point, St. Adolphe, Crystal City and Stonewall.
- What time zone is area code 584 in?
- Central Time.
- What area codes overlay 584?
- 204 and 431. An overlay adds a new code to the same area instead of splitting it, so neighbours can have different area codes and local calls need 10 digits.
- When did area code 584 start?
- Area code 584 went into service on October 29, 2022 as an overlay of 204.
- Is a 584 number a cell phone or a landline?
- The area code can't tell you. In the US and Canada mobiles, landlines and VoIP lines share area codes and prefixes, and numbers move between carriers and line types. Only a live line-type lookup answers it for one number.
- How many phone numbers does area code 584 have?
- 15 of its 792 possible prefixes are in service, and each prefix holds up to 10,000 numbers. That counts prefixes assigned to carriers, not numbers in use.
- Does a valid format mean a 584 number is in service?
- No. A format check only says the digits fit the North American Numbering Plan and that 584 is an assigned code. It cannot tell whether the number is connected, who answers it or which carrier serves it today, because numbers are reassigned and ported. A live carrier lookup reports the current carrier and line type, but even that is not proof someone answers.
- Can I check a list of 584 numbers for free?
- Yes. Paste them in the list tab above or upload a CSV to the bulk phone number validator: format, E.164, country and the numbering-plan line type are free for every row, with no account. Live carrier and line-type lookups come with Pro + Phone at $49.99/mo (5,000 a month).
Other area codes in Manitoba
All Manitoba area codes on the area code index.
Sources
Location, overlays, in-service date and dialling plan: NANPA NPA database, file dated 10/16/2026. Prefixes and exchange areas: Canadian Numbering Administrator CO code status, 2026-10-16. Time zones mapped to the IANA time zone database. By the SimpleVerifier Team; how we build these pages.