406-378

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	406378
Basic Format	406-378
NPA (Area Code)	406
NXX	378

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	State	Region	Block Effective Date
406-378-0XXX	2257	TRIANGLE TEL. COOP. ASSN., INC.	BIG SANDY	RT		MT	WE
406-378-1XXX	2257	TRIANGLE TEL. COOP. ASSN., INC.	BIG SANDY	RT		MT	WE
406-378-2XXX	2257	TRIANGLE TEL. COOP. ASSN., INC.	BIG SANDY	RT		MT	WE
406-378-3XXX	2257	TRIANGLE TEL. COOP. ASSN., INC.	BIG SANDY	RT		MT	WE
406-378-4XXX	2257	TRIANGLE TEL. COOP. ASSN., INC.	BIG SANDY	RT		MT	WE
406-378-5XXX	2257	TRIANGLE TEL. COOP. ASSN., INC.	BIG SANDY	RT		MT	WE
406-378-6XXX	2257	TRIANGLE TEL. COOP. ASSN., INC.	BIG SANDY	RT		MT	WE
406-378-7XXX	2257	TRIANGLE TEL. COOP. ASSN., INC.	BIG SANDY	RT		MT	WE
406-378-8XXX	9415	LEVEL 3 COMMUNICATIONS, LLC - MT	BIG SANDY	AS	09/23/2024	MT	WE	10/17/2024
406-378-9XXX	2257	TRIANGLE TEL. COOP. ASSN., INC.	BIG SANDY	RT		MT	WE
406-378-XXXX	2257	TRIANGLE TEL. COOP. ASSN., INC.	BIG SANDY	AS		MT

Business/Government Phones on the 406-378 Prefix

Phone	Name	Address
406-378-2188	Big Sandy Medical Center	166 Montana Avenue East Big Sandy 59520 US
406-378-3110	Virgelle Mercantile	7485 Virgelle Ferry Road North Loma 59460 US
406-378-3194	Virgelle Ferry	US

Reports

Anonymous User from Havre, Montana

March 31, 2026 at 12:32 PM

406-378-8370 reported as a Robocall. Received on March 31, 2026 at 10:20 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , MT

March 12, 2026 at 9:46 AM

406-378-4271 reported as a Live Voice or Other. Received on March 12, 2026 at 7:45 AM.

Anonymous User from Great Falls, Montana

March 5, 2026 at 11:54 AM

406-378-9261 reported as a Robocall. Received on March 5, 2026 at 9:24 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Great Falls, Montana

March 5, 2026 at 11:51 AM

406-378-3691 reported as a Robocall. Received on March 5, 2026 at 8:50 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , MT

February 24, 2026 at 9:32 AM

406-378-6870 reported as a Robocall. Received on February 24, 2026 at 7:32 AM.

Anonymous User from Toledo, OH

October 12, 2022 at 10:46 PM

406-378-2134 reported as a Prerecorded Voice. Received on October 12, 2022 at 6:33 PM.
Unwanted call for Other Services
Contacted via Internet (VOIP)

Anonymous User from Big Sandy, MT

October 18, 2021 at 5:37 PM

None reported as a Live Voice. Received on October 18, 2021 at 10:43 AM.
Unwanted call for Medical Devices Services
Caller ID indicated they called from 406-378-2867
Contacted via Wired

Most 'popular' numbers on this prefix:

406-378-2XXX: 406-378-2125 | 406-378-2130 | 406-378-2131 | 406-378-2135 | 406-378-2197 | 406-378-2198 | 406-378-2200 | 406-378-2220 | 406-378-2233 | 406-378-2251 | 406-378-2252 | 406-378-2253 |