Area Code 507: Get a Rochester Phone Number

507 · Rochester

What is the area code for Rochester?

The area code for Rochester, Minnesota is 507, with overlay code 924 sharing the same geographic footprint. The 507 area code is a North American Numbering Plan geographic code assigned in 1947, covering the Southern Minnesota region. It serves approximately 500,000 residents on the Central Time (CT) (UTC-6 / UTC-5 DST).

The 507 area code has 763 assigned central-office prefixes (NXX codes, the three digits after the area code) across 228 rate centers, with numbers allocated to roughly 95 carriers.

At 763 of the ~792 usable central-office prefixes, the 507 area code has about 96% of its numbering capacity assigned, and that near-exhaustion is part of why overlay code 924 was added to the region. See how 507 compares in our NXX prefix allocation analysis across 338 US area codes. (Prefix data: localcallingguide.com / NANPA, 2026.)

Where is area code 507? Location and map area

Area code 507 is located in Minnesota, the United States. Its coverage area centers on Rochester and spans the Southern Minnesota region. If you received a call from a 507 number, the caller's number was assigned in this area — though with number porting and virtual numbers, the person may be calling from anywhere.

The 507 location sits in Central Time (CT), so local business hours run roughly 9 a.m.–5 p.m. CT. Neighboring Minnesota area codes include 218, 320, 612.

All Rochester area codes

Rochester is served by 2 area codes across the metro area. 507 is the original 1947 code; the others were added as overlays or for surrounding suburbs.

• 507 (current page) — Overlay on the same metro, assigned 1947
• 924 — Rochester — assigned 2024

Cities served by the 507 area code

The 507 area code covers 5 major cities and towns across the Southern Minnesota region (MN):

Businesses across Rochester and surrounding cities use 507 numbers to project local presence and lift call answer rates. Industry studies of local presence dialing consistently report answer-rate gains of 20–40% over toll-free or out-of-area numbers — a caller ID that matches the recipient's region looks familiar and gets picked up.

507 area code time zone and business hours

The 507 area code is in the Central Time (CT) zone (UTC-6 / UTC-5 DST). Standard business hours in 507 run 9 AM to 5 PM CT.

If you're calling into 507 from a different time zone, factor in the offset. For example, an Eastern Time business calling 507 at 9 AM ET reaches Rochester at 8 AM CT — likely outside standard business hours.

History of the 507 area code

The 507 area code was one of the original 86 area codes assigned in 1947 when the North American Numbering Plan was first deployed. As Rochester grew and number demand increased, overlay code 924 was added to serve the same geographic region — a common solution that avoids forcing existing subscribers to change their numbers.

• 1947 507 entered service (one of the 86 original NANP area codes)
• 2024 924 added to serve the same region

Is the 507 area code safe? Spam and scam calls

507 is a legitimate geographic area code for Rochester — it is not a scam code or a premium-rate prefix, and a call from a 507 number is most likely a genuine local caller. The risk is not the area code itself but a tactic called neighbor spoofing: scammers fake their caller ID so an unwanted call appears to come from your own area code, because people answer familiar numbers more readily.

If you get an unexpected 507 call, a few signals point to a likely scam — a pre-recorded message, urgent pressure to act now, a demand for payment by gift card or wire transfer, or anyone asking for passwords, Social Security, or account numbers. Let suspicious calls go to voicemail, never share personal information, and report fraud to the FTC at reportfraud.ftc.gov.

The FCC consumer guide on spoofing explains your rights under the Truth in Caller ID Act. A real Rochester business will leave a clear voicemail and will not pressure you.

US carriers verify caller ID with the STIR/SHAKEN framework, which flags many spoofed numbers as "Spam Likely" before they ring. DialPhone 507 numbers are registered for STIR/SHAKEN attestation, so calls from your business are verified as genuine and reach customers without a false spam label. See the DialPhone guide to VoIP security for more.

Why get a 507 area code number for your business?

Getting a 507 number gives your business three measurable advantages over a toll-free or out-of-area number:

1. Local trust signal. Customers in Rochester recognize 507 as their home area code. Caller ID matching builds immediate credibility for service businesses, sales outreach, and patient communication.
2. Higher answer rate. Calls from a familiar local area code are answered far more often than unknown or toll-free numbers — industry measurements of local presence dialing put the lift at 20–40%, which matters most for outbound sales, appointment confirmations, and time-sensitive service callbacks.
3. Targeted marketing. Businesses serving Rochester and the broader Southern Minnesota can advertise a local number across print, radio, billboards, and digital channels for higher conversion than a national 800 number.

For businesses in Rochester and surrounding cities, top industries that benefit from local 507 presence include Professional Services, Healthcare, and Retail. DialPhone's AI receptionist is available for every 507 number — never miss a call, even after standard business hours.

How to get a 507 area code number

Setting up a 507 business number with DialPhone takes under 10 minutes:

1. Sign up for a DialPhone plan. Choose any plan starting at $24/user/month. Free 14-day trial, no credit card required.
2. Search available 507 numbers. Filter the DialPhone number inventory by area code, city, or pattern.
3. Choose your number and configure. Assign your new 507 number to a user or team, set up call routing, voicemail, AI receptionist, and business SMS.
4. Port your existing number (optional). Already have a 507 number? Free number porting in 2 to 5 business days with zero service interruption.

New to local numbers? The complete guide to getting a local phone number covers choosing the right area code, porting an existing line, and avoiding spam flags.

507 area code overlay codes

The Southern Minnesota region is served by multiple overlay area codes:

Area Code	Coverage
507	Primary area code for Southern Minnesota, assigned 1947
924	Overlay — same geography (assigned 2024)

All overlay codes serve the same Rochester region. New subscribers may be assigned any available code; existing numbers retain their original prefix.

AI receptionist for 507 area code businesses

Every DialPhone 507 number includes optional AI receptionist coverage, available 24/7. The AI handles calls when your team is unavailable — answering common questions, booking appointments, routing urgent callers to on-call staff, and capturing voicemail with full transcription and intent tagging.

For businesses in Rochester that handle high call volume, run extended hours, or need bilingual support (especially valuable in service areas with diverse customer bases), the AI receptionist reduces voicemail backlog and improves first-call resolution.

All area codes in Minnesota

Minnesota has 8 active geographic area codes. The 507 area code is part of the same numbering plan as the codes listed below — calls between them are typically local within the state, depending on the carrier.

Nearby area codes

Related area codes in Minnesota and the Central Time (CT) region:

• 218 area code — Duluth, Minnesota
• 320 area code — St. Cloud, Minnesota
• 612 area code — Minneapolis, Minnesota
• 651 area code — St. Paul, Minnesota
• 763 area code — Plymouth, Minnesota
• 952 area code — Bloomington, Minnesota

All Minnesota area codes → · Browse all US area codes →

More area codes: ← 506 Moncton · 508 Worcester →

How this page is verified

DialPhone re-verifies every area code page every 90 days. Area code geography, timezone, and overlay data come from the official North American Numbering Plan Administration (NANPA) database. Pricing reflects the published DialPhone plan tiers — see the pricing page for current details. Number availability varies; check the DialPhone signup flow for live inventory in the 507 region.

What to know before getting a 507 number

• Number availability is finite. Popular Rochester area codes can be inventory-constrained — request specific vanity patterns early.
• Porting timing varies. Most 507 ports complete in 2-5 business days; complex multi-line legacy contracts can take 7-10.
• HIPAA tier required for healthcare. The Core $24 plan doesn't include a BAA — healthcare users need Advanced ($34) or above.