Rate Center Name: , State/Province:
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.

🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
406-744MTWESTERN MONTANA COMMUNITYTEL INC. - MT (COMMUNITYTEL INC)0001643006RMD0002532986FSTIGNATIUSCHRLMT010MD11/16/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: CHRLMT010MD))
🕘 Prefix History
🔎 Explore Carrier Information
406-744 is split into 1,000-number blocks - detail below
406-744-2XXXMTWESTERN MONTANA COMMUNITYTEL INC. - MT (COMMUNITYTEL INC)0001643006RMD0002532986FSTIGNATIUSCHRLMT010MD11/19/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: CHRLMT010MD))
🕘 Prefix History
🔎 Explore Carrier Information
406-744-4XXXMTTERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)0021193057RMD0001495145JSTIGNATIUSNOCLLIKNOWN09/12/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-745MTBLACKFOOT TEL. COOP., INC. (BLACKFOOT TEL. COOP., INC.)0001646165RMD00047762235STIGNATIUSCLTNMTXCRS100/00/0000Prefix Type: ICO
Switch Name: CLINTON
Switch Type: Northern Telecom DMS10 RSLE
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: CLTNMTXCRS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-745 is split into 1,000-number blocks - detail below
406-745-0XXXMTBLACKFOOT TEL. COOP., INC. (BLACKFOOT TEL. COOP., INC.)0001646165RMD00047762235STIGNATIUSCLTNMTXCRS1N/APrefix Type: ICO
Switch Name: CLINTON
Switch Type: Northern Telecom DMS10 RSLE
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: CLTNMTXCRS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-745-2XXXMTBLACKFOOT TEL. COOP., INC. (BLACKFOOT TEL. COOP., INC.)0001646165RMD00047762235STIGNATIUSCLTNMTXCRS1N/APrefix Type: ICO
Switch Name: CLINTON
Switch Type: Northern Telecom DMS10 RSLE
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: CLTNMTXCRS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-745-3XXXMTBLACKFOOT TEL. COOP., INC. (BLACKFOOT TEL. COOP., INC.)0001646165RMD00047762235STIGNATIUSCLTNMTXCRS1N/APrefix Type: ICO
Switch Name: CLINTON
Switch Type: Northern Telecom DMS10 RSLE
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: CLTNMTXCRS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-745-4XXXMTBLACKFOOT TEL. COOP., INC. (BLACKFOOT TEL. COOP., INC.)0001646165RMD00047762235STIGNATIUSCLTNMTXCRS1N/APrefix Type: ICO
Switch Name: CLINTON
Switch Type: Northern Telecom DMS10 RSLE
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: CLTNMTXCRS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-745-5XXXMTBLACKFOOT TEL. COOP., INC. (BLACKFOOT TEL. COOP., INC.)0001646165RMD00047762235STIGNATIUSCLTNMTXCRS1N/APrefix Type: ICO
Switch Name: CLINTON
Switch Type: Northern Telecom DMS10 RSLE
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: CLTNMTXCRS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-745-9XXXMTBLACKFOOT TEL. COOP., INC. (BLACKFOOT TEL. COOP., INC.)0001646165RMD00047762235STIGNATIUSCLTNMTXCRS1N/APrefix Type: ICO
Switch Name: CLINTON
Switch Type: Northern Telecom DMS10 RSLE
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: CLTNMTXCRS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-824MTNEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010STIGNATIUSMSSLMTAG5MD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
This information is not guaranteed to be accurate. User assumes all risk for any loss or gain resulting from use of this data.
Although I strive for accuracy and prompt updates of changed information, it is possible that there may be errors. If you see one, could you please report it?
Please report all errors, flames, questions, suggestions, and thanks to Paul Timmins
L'exactitude de ces renseignements n'est pas garantie. L'utilisateur assume l'entière responsabilité des pertes ou des gains découlant de l'utilisation de ces données.
Bien que je m'efforce d'assurer l'exactitude des informations et de les mettre à jour rapidement, des erreurs peuvent subsister. Si vous en voyez une, veuillez me la signaler.
Veuillez adresser vos commentaires, remarques, questions, suggestions et remerciements à Paul Timmins
Please see the Frequently Asked Questions page if you have any questions.
Copyright ©2001-2026, Paul Timmins/Timmins Technologies, LLC. All rights reserved
Website Design and User Interface ©2010, Adam Botbyl/Revolutionary Solutions, LLC.
Colocation generously provided by Clear Rate Communications, Inc
Has this site changed your life? Made your job easier? I always love Fanmail and Suggestions.