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406 Area Code 🌍☎️

Area Code Profile · Montana

The 406 area code is located in the state of Montana and covers 364 cities, serving a total population of approximately 683,694. Major cities covered by the 406 area code include Billings, Missoula, Great Falls, Bozeman, Butte-Silver Bow (which represents the most populated areas). There are a total of 746 telephone prefix exchanges in this area code, which support an estimated 7,460,000 active or assignable phone numbers. These prefix lines are operated by 61 distinct carriers, with Billings as the primary rate center location.

Mountain Time364 Cities746 Prefixes

Reverse Phone Lookup in Billings, Montana

Unmask unknown callers, verify telemarketing reports, and view detailed owner information for any phone number beginning with area code (406).

How it works

1

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Provide any 10-digit phone number starting with the (406) area code.

2

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Our system scans public registries, carrier mappings, and spam reports.

3

Reveal Report

Access location details, line type, carrier, owner information, and safety levels.

Neighborhood Demographics

Calculated demographics and census summary estimations for area code 406.

33.5 y/oMedian Age
$46,000Median Income
$185,000Median Home Value
683,694Total Population

Telemarketer Complaints

Most recent complaints and comments for phone numbers beginning with 406.

Did you receive an unwanted call from a (406) phone number?

Help the community identify spammers by filing a comment.

(406) 814-7519May 16, 2026Robocall
Received a silent call. When I answered, there was just dead air for 5 seconds before it automatically disconnected. Likely an automated system testing for active numbers.
See Details
(406) 827-7536May 20, 2026Telemarketer
Offered an unsolicited quote for local roofing and home energy services. They knew my area code but when I asked how they got my number, they hung up immediately.
See Details
(406) 840-7553May 19, 2026Debt Collector
Automated voice caller looking for someone named David. Keeps calling repeatedly asking to settle a debt. I have had this number for years and don't know David.
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(406) 853-7570May 18, 2026Political
Pre-recorded campaign call promoting a local candidate. Did not respect my request to be placed on the Do Not Call list.
See Details

Cities in the 406 Area Code

The most populous cities in area code 406 are: Billings (104,170), Missoula (66,788), Great Falls (58,505), Bozeman (37,280), and Butte-Silver Bow (33,525).

Other cities in the 406 area code include:

Helena, Kalispell, Havre, Anaconda-Deer Lodge County, Miles City, Helena Valley Southeast, Helena Valley West Central, Evergreen, Belgrade, Livingston, Lockwood, Laurel, Whitefish, Lewistown, Orchard Homes, Sidney, Glendive, Columbia Falls, Polson, Hamilton, Bigfork, Dillon, Lolo, Hardin, Helena Valley Northwest.

CityPopulation% in Area Code
Billings104,170100%
Missoula66,788100%
Great Falls58,505100%
Bozeman37,280100%
Butte-Silver Bow33,525100%
Helena28,190100%
Kalispell19,927100%
Havre9,310100%
Anaconda-Deer Lodge County9,298100%
Miles City8,410100%
Helena Valley Southeast8,227100%
Helena Valley West Central7,883100%
Evergreen7,616100%
Belgrade7,389100%
Livingston7,044100%
Lockwood6,797100%
Laurel6,718100%
Whitefish6,357100%
Lewistown5,901100%
Orchard Homes5,197100%

Showing top 20 of 364 cities.

What Time Zone is Area Code 406?

Mountain Time Zone

Abbreviation: MT · UTC Offset: UTC-7

The 406 area code lies within the Mountain Time Zone (MT, UTC-7).

Phone Prefixes in the 406 Area Code

746 prefixes found · 61 carriers · 260 rate centers

PrefixCarrierRate Center
(406) 200TELEPORT COMMUNICATIONS AMERICA MT - LLCBILLINGS
(406) 201NEW CINGULAR WIRELESS PCS, LLCFORSYTH
(406) 202NEW CINGULAR WIRELESS PCS, LLCHELENA
(406) 203LEVEL 3 COMMUNICATIONS, LLC - MTMISSOULA
(406) 204LEVEL 3 COMMUNICATIONS, LLC - MTHELENA
(406) 205LEVEL 3 COMMUNICATIONS, LLC - MTGREATFALLS
(406) 206LEVEL 3 COMMUNICATIONS, LLC - MTBILLINGS
(406) 207NEW CINGULAR WIRELESS PCS, LLCMISSOULA
(406) 208NEW CINGULAR WIRELESS PCS, LLCBILLINGS
(406) 209NEW CINGULAR WIRELESS PCS, LLCBOZEMAN
(406) 210CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MTSEELEYLAKE
(406) 212NEW CINGULAR WIRELESS PCS, LLCKALISPELL
(406) 213LEVEL 3 COMMUNICATIONS, LLC - MTCOLSTRIP
(406) 214CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MTMISSOULA
(406) 215SKYE TELECOM LLC DBA SKYETELMISSOULA
(406) 2163 RIVERS TELEPHONE COOPERATIVE, INC. - MTGREATFALLS
(406) 217CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MTGREATFALLS
(406) 218T-MOBILE USA, INC.MISSOULA
(406) 219AT&T - LOCALBOZEMAN
(406) 220NEW CINGULAR WIRELESS PCS, LLCLIVINGSTON
(406) 221AT&T - LOCALBUTTE
(406) 222QWEST CORPORATIONLIVINGSTON
(406) 223CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MTLIVINGSTON
(406) 224CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MTLIVINGSTON
(406) 225QWEST CORPORATIONBOULDER
(406) 226QWEST CORPORATIONEGLACIERPK
(406) 227QWEST CORPORATIONHELENA
(406) 228NEMONT TEL COOP INCGLASGOW
(406) 229NEW CINGULAR WIRELESS PCS, LLCCUT BANK
(406) 230CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MTGLASGOW
(406) 231NEW CINGULAR WIRELESS PCS, LLCGREATFALLS
(406) 232QWEST CORPORATIONMILES CITY
(406) 233QWEST CORPORATIONMILES CITY
(406) 234MID-RIVERS TELEPHONE COOPERATIVE, INC.MILES CITY
(406) 235QWEST CORPORATIONWOLF CREEK
(406) 2363 RIVERS TEL. COOP., INC.NEIHART
(406) 237QWEST CORPORATIONBILLINGS
(406) 238QWEST CORPORATIONBILLINGS
(406) 239NEW CINGULAR WIRELESS PCS, LLCMISSOULA
(406) 240NEW CINGULAR WIRELESS PCS, LLCMISSOULA
(406) 241NEW CINGULAR WIRELESS PCS, LLCMISSOULA
(406) 242NEW CINGULAR WIRELESS PCS, LLCTHOMPSNFLS
(406) 243QWEST CORPORATIONMISSOULA
(406) 244BLACKFOOT TEL. COOP., INC.POTOMAC
(406) 245QWEST CORPORATIONBILLINGS
(406) 246BLACKFOOT TEL. COOP., INC.DIXON
(406) 247QWEST CORPORATIONBILLINGS
(406) 248QWEST CORPORATIONBILLINGS
(406) 249CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MTKALISPELL
(406) 250CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MTKALISPELL
(406) 251QWEST CORPORATIONMISSOULA
(406) 252QWEST CORPORATIONBILLINGS
(406) 253NEW CINGULAR WIRELESS PCS, LLCKALISPELL
(406) 254QWEST CORPORATIONBILLINGS
(406) 255QWEST CORPORATIONBILLINGS
(406) 256QWEST CORPORATIONBILLINGS
(406) 257CENTURYTEL OF MONTANA, INC. DBA CENTURYLINKKALISPELL
(406) 258QWEST CORPORATIONMISSOULA
(406) 259QWEST CORPORATIONBILLINGS
(406) 260NEW CINGULAR WIRELESS PCS, LLCKALISPELL
(406) 261NEW CINGULAR WIRELESS PCS, LLCKALISPELL
(406) 262QWEST CORPORATIONHAVRE
(406) 263SAGEBRUSH CELLULAR, INC.GLASGOW
(406) 2643 RIVERS TEL. COOP., INC.FORT SHAW
(406) 265QWEST CORPORATIONHAVRE
(406) 266QWEST CORPORATIONTOWNSEND
(406) 267SOUTHERN MONTANA TEL. CO.DIVIDE
(406) 268QWEST CORPORATIONGREATFALLS
(406) 269NEW CINGULAR WIRELESS PCS, LLCST REGIS
(406) 270CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MTKALISPELL
(406) 2713 RIVERS TELEPHONE COOPERATIVE, INC. - MTCONRAD
(406) 272ONVOY, LLC - MTBILLINGS
(406) 273QWEST CORPORATIONMISSOULA
(406) 274AT&T - LOCALMISSOULA
(406) 275RONAN TEL. CO.PABLO
(406) 2763 RIVERS TEL. COOP., INC.LIMA
(406) 2773 RIVERS TEL. COOP., INC.BELT
(406) 278QWEST CORPORATIONCONRAD
(406) 2793 RIVERS TEL. COOP., INC.VALIER
(406) 280NEW CINGULAR WIRELESS PCS, LLCST REGIS
(406) 281TELEPORT COMMUNICATIONS AMERICA MT - LLCBILLINGS
(406) 282QWEST CORPORATIONMANHATTAN
(406) 283ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBERLIBBY
(406) 284QWEST CORPORATIONMANHATTAN
(406) 285QWEST CORPORATIONTHREEFORKS
(406) 286NEMONT TEL COOP INCRESERVE
(406) 287QWEST CORPORATIONWHITEHALL
(406) 288BLACKFOOT TEL. COOP., INC.DRUMMOND
(406) 289NEW CINGULAR WIRELESS PCS, LLCCONRAD
(406) 290ONVOY, LLC - MTCOLUMBUS
(406) 291CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MTLIBBY
(406) 292TRIANGLE TEL. COOP. ASSN., INC.JOPLIN
(406) 293ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBERLIBBY
(406) 294ELECTRIC LIGHTWAVE LLC DBA ALLSTREAMBILLINGS
(406) 295ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBERTROY
(406) 296ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBEREUREKA
(406) 297INTERBEL TELEPHONE COOPERATIVE, INC. - MTEUREKARURL
(406) 298CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MTCOLUMBUS
(406) 299LEVEL 3 COMMUNICATIONS, LLC - MTBUTTE
(406) 300BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER]KALISPELL

Showing first 100 of 746 prefixes.

Frequently Asked Questions

Where is area code 406?
Area code 406 is located in Montana, covering cities including Billings, Missoula, Great Falls.
What time zone is area code 406?
Area code 406 is in the Mountain Time Zone (MT, UTC-7).
What state is area code 406?
Area code 406 is in Montana.