406-428

You are reviewing the Area Code (NPA/NXX) report for 406-428. Did you mean to search the SMS short code 406428?

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	406428
Basic Format	406-428
NPA (Area Code)	406
NXX	428

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date	Block Available Date
406-428-0XXX	2246	MID-RIVERS TEL. COOP., INC.	GRASSRANGE	AV		GRASS RANGE	MT	WE		06/01/2014
406-428-1XXX	2246	MID-RIVERS TEL. COOP., INC.	GRASSRANGE	AV		GRASS RANGE	MT	WE		06/01/2014
406-428-2XXX	2246	MID-RIVERS TEL. COOP., INC.	GRASSRANGE	RT		GRASS RANGE	MT	WE
406-428-3XXX	2246	MID-RIVERS TEL. COOP., INC.	GRASSRANGE	AV		GRASS RANGE	MT	WE		12/06/2013
406-428-4XXX	2246	MID-RIVERS TEL. COOP., INC.	GRASSRANGE	AV		GRASS RANGE	MT	WE		12/06/2013
406-428-5XXX	2246	MID-RIVERS TEL. COOP., INC.	GRASSRANGE	AV		GRASS RANGE	MT	WE		12/06/2013
406-428-6XXX	2246	MID-RIVERS TEL. COOP., INC.	GRASSRANGE	AV		GRASS RANGE	MT	WE		12/06/2013
406-428-7XXX	2246	MID-RIVERS TEL. COOP., INC.	GRASSRANGE	AV		GRASS RANGE	MT	WE		12/06/2013
406-428-8XXX	6564	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT	GRASSRANGE	AS	10/24/2018	GRASS RANGE	MT	WE	12/17/2018
406-428-9XXX	2246	MID-RIVERS TEL. COOP., INC.	GRASSRANGE	AV		GRASS RANGE	MT	WE		06/01/2014
406-428-XXXX	2246	MID-RIVERS TEL. COOP., INC.	GRASSRANGE	AS		GRASS RANGE	MT

Business/Government Phones on the 406-428 Prefix

Phone	Name	Address
406-428-2366	The Ole Mercantile	44151 US-87 59032 US

Reports

Anonymous User from Havre, Montana

September 17, 2026 at 1:51 PM

406-428-2217 reported as a Robocall. Received on September 17, 2026 at 11:39 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Yardley, Pennsylvania

July 12, 2023 at 2:06 PM

406-428-2098 reported as a Robocall. Received on July 12, 2023 at 1:55 PM.
Call for Energy, solar, & utilities

Most 'popular' numbers on this prefix:

406-428-2XXX: 406-428-2000 | 406-428-2006 | 406-428-2007 | 406-428-2091 | 406-428-2096 | 406-428-2099 | 406-428-2200 | 406-428-2233 | 406-428-2260 | 406-428-2262 | 406-428-2265 | 406-428-2283 | 406-428-2400 | 406-428-2420 | 406-428-2424 | 406-428-2428 | 406-428-2447 | 406-428-2478 |