Area Code 584

About Area Code 584

Area code 584 is a geographic telephone area code assigned to Winnipeg, Manitoba. It operates in the Central time zone and was first introduced in 2024. Overlay for 204/431. Manitoba.

Within Manitoba, area code 584 operates alongside 2 other area codes. The province's 2023 population estimate is 1,463,164. Manitoba's capital is Winnipeg and its largest city is Winnipeg.

When you receive a call from a 584 number on your Caller ID, the call originated from a phone number assigned to the 584 area code — but be aware that Local Number Portability (in effect since 2003) means the caller could be physically located anywhere in the US or Canada. Area code 584 only confirms where the number was originally assigned.

Where is the 584 area code located?

Area code 584 is assigned to Winnipeg, Manitoba, in the Central time zone. The state of Manitoba uses 3 active area codes, and 584 is one of them. Calls placed from the 584 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 584 prefix appears on Caller ID for both landline and wireless calls placed from this region.

The Central time zone observes Daylight Saving Time, shifting from UTC-6 to UTC-5 in summer. The local time shown above is always current, so you can quickly check whether it's a reasonable hour to call back.

What cities and counties use the 584 area code?

The 584 area code serves 10 notable cities, listed below in order of population. The largest city in the 584 territory is Winnipeg (749,534 residents in Winnipeg County).

• Winnipeg, MB — 749,534 residents (84% of 584 numbers)
• Brandon, MB — 51,313 residents (5.7% of 584 numbers)
• Steinbach, MB — 17,806 residents (2% of 584 numbers)
• Thompson, MB — 13,465 residents (1.5% of 584 numbers)
• Portage la Prairie, MB — 13,404 residents (1.5% of 584 numbers)
• Winkler, MB — 13,009 residents (1.5% of 584 numbers)
• Selkirk, MB — 10,545 residents (1.2% of 584 numbers)
• Morden, MB — 9,929 residents (1.1% of 584 numbers)
• Dauphin, MB — 8,600 residents (1% of 584 numbers)
• Flin Flon, MB — 4,940 residents (0.6% of 584 numbers)

Phone number format in area code 584

All phone numbers within area code 584 follow the standard North American 10-digit format:(584) NXX-XXXX. The NXX is the central office prefix (also called an "exchange") and XXXX is the subscriber line number. For long-distance calls within the NANP, dial 1 + 584 + NXX + XXXX. From outside North America, dial your country's international access code, then 1 (the NANP country code), then the 10-digit number.

If you need to verify whether a specific 584 number is wireless, landline, or VoIP, you can use our reverse phone lookup tool. Be aware that number portability means the area code no longer guarantees the caller's physical location — only where the number was first assigned.

History of area code 584

Overlay for 204/431. Manitoba.

The original 86 area codes were assigned by AT&T and Bell Labs in 1947 as part of the North American Numbering Plan. At the time, rotary-dial phones meant codes with lower digits (like 212 for NYC, 213 for LA, 312 for Chicago) were given to the largest cities because they took less time to dial. Today's area code assignments still reflect those early choices, even though touch-tone and cell phones made the original reason obsolete.

Is the 584 area code safe to answer?

Area code 584 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 584 — so if you don't recognize the full number, let it go to voicemail and verify the caller's identity before calling back.