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406-491

You are reviewing the Area Code (NPA/NXX) report for 406-491. Did you mean to search the SMS short code 406491?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number406491
Basic Format406-491
NPA (Area Code)406
NXX491

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateStateRegionBlock Effective Date
406-491-0XXX6010NEW CINGULAR WIRELESS PCS, LLCBUTTERTMTWE
406-491-1XXX6010NEW CINGULAR WIRELESS PCS, LLCBUTTERTMTWE
406-491-2XXX6010NEW CINGULAR WIRELESS PCS, LLCBUTTERTMTWE
406-491-3XXX6010NEW CINGULAR WIRELESS PCS, LLCBUTTERTMTWE
406-491-4XXX6010NEW CINGULAR WIRELESS PCS, LLCBUTTERTMTWE
406-491-5XXX6010NEW CINGULAR WIRELESS PCS, LLCBUTTERTMTWE
406-491-6XXX6010NEW CINGULAR WIRELESS PCS, LLCBUTTERTMTWE
406-491-7XXX6010NEW CINGULAR WIRELESS PCS, LLCBUTTERTMTWE
406-491-8XXX6010NEW CINGULAR WIRELESS PCS, LLCBUTTEAS12/30/2015MTWE01/29/2016
406-491-9XXX6010NEW CINGULAR WIRELESS PCS, LLCBUTTEAS09/06/2023MTWE10/02/2023
406-491-XXXX6010NEW CINGULAR WIRELESS PCS, LLCBUTTEASMT

Business/Government Phones on the 406-491 Prefix

PhoneNameAddress
406-491-1406Platinum Peak Roofing LLC
406-491-5201Seamus Swartz, LLC
406-491-5562MSM Lab Services LLC

Reports

Anonymous User from Laporte, Texas

December 11, 2025 at 5:04 PM

406-491-1787 reported as a Robocall. Received on December 11, 2025 at 10:46 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Anaconda, Montana

December 1, 2024 at 12:03 PM

406-491-0556 reported as a Robocall. Received on November 29, 2024 at 2:49 PM.
Call for Medical & prescriptions

Anonymous User from Anaconda, Montana

December 1, 2024 at 12:00 PM

406-491-0556 reported as a Robocall. Received on November 29, 2024 at 8:14 AM.
Call for Medical & prescriptions

Anonymous User from Anaconda, Montana

December 1, 2024 at 11:58 AM

406-491-0556 reported as a Robocall. Received on November 30, 2024 at 8:55 AM.
Call for Medical & prescriptions

Anonymous User from Anaconda, Montana

December 1, 2024 at 11:55 AM

406-491-0556 reported as a Robocall. Received on December 1, 2024 at 9:45 AM.
Call for Medical & prescriptions

Anonymous User from , CA

May 22, 2024 at 12:48 PM

406-491-0470 reported as a Live Voice or Other. Received on May 20, 2024 at 1:00 PM.

Anonymous User from Pendroy, MT

July 15, 2023 at 7:17 PM

None reported as a Live Voice. Received on July 15, 2023 at 12:47 PM.
Unwanted call for unknown
Caller ID indicated they called from 406-491-1926
Contacted via Wired

Most 'popular' numbers on this prefix:

406-491-0XXX: 406-491-0400 | 406-491-0401 | 406-491-0404 | 406-491-0470 | 406-491-0500 | 406-491-0505 | 406-491-0550 | 406-491-0551 | 406-491-0555 |
406-491-1XXX: 406-491-1400 | 406-491-1403 | 406-491-1409 | 406-491-1920 | 406-491-1923 | 406-491-1929 | 406-491-1991 | 406-491-1997 | 406-491-1998 |
406-491-2XXX: 406-491-2200 | 406-491-2220 | 406-491-2233 | 406-491-2250 | 406-491-2252 | 406-491-2253 | 406-491-2600 | 406-491-2620 | 406-491-2621 | 406-491-2625 | 406-491-2650 | 406-491-2666 | 406-491-2700 | 406-491-2720 | 406-491-2770 | 406-491-2771 | 406-491-2777 |
406-491-3XXX: 406-491-3500 | 406-491-3551 | 406-491-3555 | 406-491-3570 | 406-491-3575 | 406-491-3577 | 406-491-3800 | 406-491-3840 | 406-491-3850 | 406-491-3888 |
406-491-5XXX: 406-491-5000 | 406-491-5001 | 406-491-5003 | 406-491-5080 | 406-491-5081 | 406-491-5088 | 406-491-5200 | 406-491-5207 | 406-491-5209 | 406-491-5220 | 406-491-5250 | 406-491-5500 | 406-491-5507 | 406-491-5550 | 406-491-5560 | 406-491-5562 | 406-491-5565 |
406-491-6XXX: 406-491-6500 | 406-491-6501 | 406-491-6550 | 406-491-6570 | 406-491-6575 | 406-491-6577 |