Area code 406
Get a 406 phone number
To get a 406 phone number, pick an available 406 number below and sign up for AvoCall. Your new number works for calls and texts on the phone you already own over WiFi or data. Current web pricing is verified at checkout. No second SIM and no new device are required.
- Location
- Helena, MT, Montana
- Time zone
- Mountain (GMT -7)
The 406 area code covers Helena, MT and nearby Montana communities.
Top 20 406 numbers available right now
Pulled live from our carrier network. Last updated: August 25, 2026 at 7:10 PM UTC.
Every number requires an AvoCall plan. Current web pricing is verified at checkout, and number availability changes often.
About the 406 area code
Montana uses area code 406, which is assigned to Helena along with Billings, Missoula, Laurel, and Huntley. Smaller places such as Broadview and Pompeys Pillar fall inside the same territory, all of it on Mountain time.
406 came online in 1947 with the earliest wave of assignments. It has carried Montana calls under the same three digits from that year to the present.
Dialing note: 406 has been in service since 1947, making it one of the original North American area codes.
Numbering details on this page (service dates and overlay status) are checked against the NANPA numbering registry. Registry data as of 07/16/2026.
406 phone number FAQ
- How do I get a 406 phone number?
- Pick an available 406 number and sign up for AvoCall. Your new Helena, MT number works for calls and texts on your existing phone over WiFi or data. Current web pricing is verified at checkout. There is no second SIM and no new device.
- Where is the 406 area code?
- It serves Helena, MT and nearby cities in Montana, including Billings, Laurel, Worden.
- Can I receive verification codes on a 406 number?
- AvoCall 406 numbers support calling and messaging. Verification-text compatibility varies by sender; short-code and 2FA delivery is not guaranteed.