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Area Code 406
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Code 406 (Montana).
Click on the pictures below for a larger version.
Billings
"Main"
Listing Updated:
June 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
BLNGMTMADS1Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(406) 237-8, 245, 247-8, 252, 254-6, 259, 657, 896Notes:
Source: GSV
Billings"West"
Listing Updated:
June 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
BLNGMTWEDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(406) 651-2, 655-6Notes:
At one time also housed the regional OSPS. Source: GSV
Bozeman
Listing Updated:
June 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
BZMNMTMADS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(406) 414, 522, 548, 556, 582, 585-7, 994Notes:
Source: GSV
Butte"Main"
Listing Updated:
June 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
BUTTMT09DS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(406) 496-7, 723, 782Notes:
Source: GSV
Butte"South"
Listing Updated:
June 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
BUTTMT18RS1Switch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(406) 494, 533Notes:
Source: GSV
Fairfield
Listing Updated:
June 2020Operating Company:
3 Rivers CommunicationsCLLI:
FRFDMTXCDS1Switch Type:
Ribbon/Genband/Nortel DMS-100/200Prefixes Served:
(406) 467Notes:
Source: GSV
Gardnier
Listing Updated:
May 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
GRNRMTMARS1Switch Type:
Ericsson AXE 10 RemotePrefixes Served:
(406) 848Notes:
Source: E. Stadick
Great Falls"Main"
Listing Updated:
June 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
GRFLMTMADS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(406) 268, 452-5, 727, 731, 761, 771, 791Notes:
Source: GSV
Great Falls"Ulm"
Listing Updated:
June 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
ULM MTMARS1Switch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(406) 866Notes:
Source: GSV
Helena
"Main"
Listing Updated:
May 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
HLNAMTMADS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(406) 324, 441-4, 447, 449, 457, 495, 841Notes:
Source: B. Mitchell
Helena"East Helena"
Listing Updated:
June 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
EHLNMTMARS1Switch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(406) 227Notes:
Source: GSV
Helena"North"
Listing Updated:
June 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
HLNAMTNORS1Switch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(406) 458Notes:
Source: GSV
Kalispell
Listing Updated:
June 2020Operating Company:
CenturyLink/CenturyTelCLLI:
KLSLMTXCDS0Switch Type:
Ribbon/Genband/Nortel DMS-100/200Prefixes Served:
(406) 257, 751-2, 755-6, 758, 858Notes:
Source: GSV
Missoula"Main"
Listing Updated:
June 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
MSSLMTMADS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(406) 243, 327, 329, 523, 542-3, 549, 721, 728, 829Notes:
Source: GSV
Missoula"Lolo"
Listing Updated:
June 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
LOLOMTMARS1Switch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(406) 273Notes:
Source: GSV
Missoula"South"
Listing Updated:
June 2020Operating Company:
CenturyLink/Qwest/US West/Mountain Bell/Mountain States TelephoneCLLI:
MSSLMTSORS1Switch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(406) 251Notes:
Source: GSV
Roundup
Listing Updated:
June 2020Operating Company:
Mid-Rivers CommunicationsCLLI:
RNDPMTXCDS0Switch Type:
Nokia/Siemens EWSDPrefixes Served:
(406) 323Notes:
Source: GSV
Visit nearby regions: Alberta Idaho North Dakota Saskatchewan South Dakota Wyoming
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Copyright 2020 Telephone Central Office Building
Pictures |