406-638

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	406638
Basic Format	406-638
NPA (Area Code)	406
NXX	638

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	State	Region	Block Effective Date
406-638-0XXX	6010	NEW CINGULAR WIRELESS PCS, LLC	HARDIN	AS	09/10/2025	MT	WE	10/10/2025
406-638-1XXX	6564	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT	HARDIN	AS	08/06/2014	MT	WE	09/05/2014
406-638-2XXX	2250	PROJECT TEL. CO., INC.	HARDIN	RT		MT	WE
406-638-3XXX	2250	PROJECT TEL. CO., INC.	HARDIN	RT		MT	WE
406-638-4XXX	2250	PROJECT TEL. CO., INC.	HARDIN	RT		MT	WE
406-638-5XXX	453F	ONVOY, LLC - MT	HARDIN	AS	06/07/2021	MT	WE	07/05/2021
406-638-6XXX	771G	TELEPORT COMMUNICATIONS AMERICA MT - LLC	HARDIN	AS	07/14/2020	MT	WE	08/07/2020
406-638-7XXX	2250	PROJECT TEL. CO., INC.	HARDIN	RT		MT	WE
406-638-8XXX	453F	ONVOY, LLC - MT	HARDIN	AS	06/07/2021	MT	WE	07/05/2021
406-638-9XXX	2250	PROJECT TEL. CO., INC.	HARDIN	RT		MT	WE
406-638-XXXX	2250	PROJECT TEL. CO., INC.	HARDIN	AS		MT

Business/Government Phones on the 406-638 Prefix

Phone	Name	Address
406-638-2641	Saint Dennis Catholic Church	76 Highway 1 Crow Agency 59022 US
406-638-3500	Crow/Northern Cheyenne Hospital	237 Hospital Loop Crow Agency 59022 US

Reports

Anonymous User from Missoula, Montana

September 9, 2025 at 12:17 PM

406-638-8582 reported as a Robocall. Received on September 9, 2025 at 10:00 AM.

Anonymous User from Billings, Montana

June 16, 2025 at 11:15 AM

406-638-8074 reported as a Live Voice or Other. Received on June 16, 2025 at 9:12 AM.

Anonymous User from Billings, Montana

June 5, 2025 at 3:55 PM

406-638-6092 reported as a Live Voice or Other. Received on June 5, 2025 at 1:41 AM.

Anonymous User from Bozeman, Montana

March 13, 2025 at 6:55 PM

406-638-7809 reported as a Robocall. Received on March 10, 2025 at 1:16 PM.

Anonymous User from Lavina, Mt, Montana

December 3, 2024 at 8:06 PM

406-638-6190 reported as a Robocall. Received on December 2, 2024 at 5:00 PM.
Call for Dropped call or no message

Anonymous User from , MT

June 5, 2022 at 11:13 AM

406-638-2429 reported as a unwanted call. Received on June 3, 2022 at 4:25 PM.
Call for No Subject Provided

Anonymous User from Stevensville, Montana

May 26, 2022 at 6:16 PM

406-638-4202 reported as a unwanted call. Received on May 26, 2022 at 4:06 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Bozeman, MT

October 12, 2020 at 5:21 PM

406-638-1105 reported as a Live Voice. Received on October 12, 2020 at 11:05 AM.
Unwanted call for unknown
Contacted via Wired

Most 'popular' numbers on this prefix:

406-638-1XXX: 406-638-1100 | 406-638-1103 | 406-638-1122 | 406-638-1147 |
406-638-2XXX: 406-638-2400 | 406-638-2420 | 406-638-2424 | 406-638-2429 | 406-638-2434 | 406-638-2447 | 406-638-2500 | 406-638-2501 | 406-638-2507 | 406-638-2510 | 406-638-2511 | 406-638-2512 | 406-638-2600 | 406-638-2609 | 406-638-2622 | 406-638-2626 | 406-638-2627 | 406-638-2655 | 406-638-2800 | 406-638-2808 | 406-638-2840 | 406-638-2847 | 406-638-2888 |
406-638-3XXX: 406-638-3200 | 406-638-3206 | 406-638-3208 | 406-638-3227 | 406-638-3229 |
406-638-4XXX: 406-638-4200 | 406-638-4202 | 406-638-4203 | 406-638-4220 | 406-638-4400 | 406-638-4440 | 406-638-4444 | 406-638-4445 |
406-638-6XXX: 406-638-6100 | 406-638-6102 | 406-638-6105 | 406-638-6190 | 406-638-6191 | 406-638-6199 |
406-638-7XXX: 406-638-7800 | 406-638-7801 | 406-638-7808 | 406-638-7820 |