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406-691

You are reviewing the Area Code (NPA/NXX) report for 406-691. Did you mean to search the SMS short code 406691?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number406691
Basic Format406-691
NPA (Area Code)406
NXX691

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateStateRegionBlock Effective DateBlock Available Date
406-691-0XXX6010NEW CINGULAR WIRELESS PCS, LLCANACONDARTMTWE
406-691-1XXX6010NEW CINGULAR WIRELESS PCS, LLCANACONDAAVMTWE09/15/2012
406-691-2XXX6010NEW CINGULAR WIRELESS PCS, LLCANACONDAAVMTWE03/28/2012
406-691-3XXX6010NEW CINGULAR WIRELESS PCS, LLCANACONDAAVMTWE03/28/2012
406-691-4XXX9415LEVEL 3 COMMUNICATIONS, LLC - MTANACONDAAS07/16/2019MTWE08/09/2019
406-691-5XXX6010NEW CINGULAR WIRELESS PCS, LLCANACONDAAVMTWE03/28/2012
406-691-6XXX6010NEW CINGULAR WIRELESS PCS, LLCANACONDAAVMTWE03/28/2012
406-691-7XXX508JCENTURYLINK COMMUNICATIONS, LLCANACONDAAS04/29/2014MTWE05/24/2014
406-691-8XXX624HONVOY SPECTRUM, LLCANACONDAAS06/22/2021MTWE07/18/2021
406-691-9XXX6010NEW CINGULAR WIRELESS PCS, LLCANACONDAAS07/29/2015MTWE08/10/2015
406-691-XXXX6010NEW CINGULAR WIRELESS PCS, LLCANACONDAASMT

Reports

Anonymous User from Great Falls, Montana

November 30, 2025 at 2:00 PM

406-691-7135 reported as a Live Voice or Other. Received on November 23, 2025 at 12:27 PM.
Call for Dropped call or no message

Anonymous User from Missoula, Montana

April 29, 2025 at 6:35 PM

406-691-7612 reported as a Live Voice or Other. Received on April 28, 2025 at 10:21 AM.
Call for Medical & prescriptions

Anonymous User from Saint Ignatius, Montana

January 9, 2025 at 3:25 PM

406-691-4284 reported as a Robocall. Received on January 9, 2025 at 1:14 PM.
Call for Computer & technical support

Anonymous User from Roundup, Montana

October 22, 2024 at 3:11 PM

406-691-4182 reported as a Live Voice or Other. Received on October 22, 2024 at 10:21 AM.
Call for Medical & prescriptions

Anonymous User from Stillwater, Oklahoma

September 5, 2024 at 3:55 PM

406-691-8956 reported as a Live Voice or Other. Received on September 5, 2024 at 2:49 PM.
Call for Lotteries, prizes & sweepstakes

Anonymous User from Montrose, Colorado

September 7, 2023 at 2:11 PM

4066915 reported as a Robocall. Received on September 6, 2023 at 5:09 PM.
Call for Dropped call or no message

Anonymous User from Flower Mound, Texas

July 31, 2023 at 5:04 PM

406-691-4052 reported as a Robocall. Received on July 31, 2023 at 3:31 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , TN

July 18, 2023 at 5:14 PM

406-691-4045 reported as a Robocall. Received on July 18, 2023 at 3:57 PM.
Call for No Subject Provided

Anonymous User from Caldwell, Idaho

July 17, 2023 at 5:20 PM

406-691-4003 reported as a Live Voice or Other. Received on July 17, 2023 at 12:00 AM.
Call for Medical & prescriptions

Anonymous User from Billings, Montana

January 16, 2023 at 5:06 PM

406-691-3063 reported as a Live Voice or Other. Received on January 16, 2023 at 2:29 PM.

Anonymous User from Molt, Montana

October 25, 2022 at 11:10 AM

406-691-0512 reported as a Robocall. Received on October 25, 2022 at 8:05 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Azusa, California

June 10, 2022 at 5:38 PM

406-691-0363 reported as a Robocall. Received on June 10, 2022 at 2:32 PM.

Most 'popular' numbers on this prefix:

406-691-0XXX: 406-691-0300 | 406-691-0303 | 406-691-0350 | 406-691-0360 | 406-691-0363 | 406-691-0365 | 406-691-0500 | 406-691-0501 | 406-691-0505 | 406-691-0510 | 406-691-0511 | 406-691-0512 |
406-691-3XXX: 406-691-3000 | 406-691-3008 | 406-691-3030 | 406-691-3060 | 406-691-3062 | 406-691-3069 |
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406-691-5XXX: 406-691-5200 | 406-691-5300 |
406-691-7XXX: 406-691-7100 | 406-691-7105 | 406-691-7110 | 406-691-7111 | 406-691-7115 |
406-691-8XXX: 406-691-8700 | 406-691-8701 | 406-691-8710 | 406-691-8711 | 406-691-8712 | 406-691-8777 | 406-691-8900 | 406-691-8901 | 406-691-8950 | 406-691-8953 | 406-691-8959 | 406-691-8998 |