924 area code
Rochester area, Central Time.Area code 924 covers Rochester, Mankato, Winona and 225 more places in Minnesota, on Central Time. 507 covers the same area.
Right now in Rochester
Central Time (CST, UTC-6; CDT, UTC-5 in summer)
Calling hours: Every day, 9 AM to 9 PM (Minnesota law)
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Where 924 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 924 covers 228, but it's new and has barely been issued yet, so these are ranked by the numbers its overlay already holds. Its biggest metro area is Minneapolis-St. Paul-Bloomington, MN-WI.
Rochester, Mankato, Winona, Faribault, Owatonna, Austin, Marshall, Albert Lea, Northfield, New Ulm, Worthington, Fairmont + 216 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 924 number?
Sales calls to homes and cell phones have legal hours, set by Minnesota law. Hold every 924 number to them, since you can't tell a work line from a personal cell.
What applies to 924Every day, 9 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
- Minnesota lawEvery day, 9 AM to 9 PMCalls to residences.Minn. Stat. 325E.30 (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
924 and 507
924 went into service on August 30, 2024. 924 and 507 cover the same area, so new numbers can get either code and neighbors can have different area codes. 924 holds 0% of the area's exchanges; 507 holds the most. Local calls take all 10 digits.
- 1954507 overlay
- 2024924 starts
Source: NANPA area code database
Calling a list of 924 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
924 area code FAQ
What area code is 924?
924 is a Minnesota area code for Rochester, Mankato, Winona, Faribault and 224 more places.
What time zone is the 924 area code in?
Central Time (CST, UTC-6; CDT, UTC-5 in summer).
Is 507 the same as 924?
Same area, different code. 924 and 507 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 924 numbers?
Every day, 9 AM to 9 PM, local time, under Minnesota law.
When did the 924 area code start?
On August 30, 2024.
Calling 924 numbers? Reach more of them.
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