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
603-317NHMCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH (Verizon Communications)0004999405RMD00029577778MILANMNCHNHACDS000/00/0000Prefix Type: CLEC
Switch Name: MANCHESTER
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: MNCHNHACDS0))
🕘 Prefix History
🔎 Explore Carrier Information
603-317 is split into 1,000-number blocks - detail below
603-317-1XXXNHTWC IP ENABLED SERVICES, LLCN/A793KMILANNOCLLIKNOWN08/02/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
603-317-2XXXNHTERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)0021193057RMD0001495145JMILANNOCLLIKNOWN05/11/2026Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
603-317-4XXXNHOTEL TELEKOM, INC. - NHN/A9827MILANNOCLLIKNOWN09/07/2002Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
603-317-5XXXNHLEVEL 3 COMMUNICATIONS, LLC - NH (Lumen Technologies, Inc)0015338122RMD00061124017MILANNOCLLIKNOWN08/19/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
603-317-8XXXNHMETROPCS, INC. (T-Mobile US, Inc)N/A5562MILANNOCLLIKNOWN11/06/2025Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
603-317-9XXXNHMCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH (Verizon Communications)0004999405RMD00029577778MILANMNCHNHACDS0N/APrefix Type: CLEC
Switch Name: MANCHESTER
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: MNCHNHACDS0))
🕘 Prefix History
🔎 Explore Carrier Information
603-449NHCONSOLIDATED COMM OF NO. NEW ENGLAND-NH (Fairpoint)N/A5113MILANMILNNHPLRS100/00/0000Prefix Type: RBOC
Switch Name: MILAN
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: MILNNHPLRS1))
🕘 Prefix History
🔎 Explore Carrier Information
603-449 is split into 1,000-number blocks - detail below
603-449-2XXXNHCONSOLIDATED COMM OF NO. NEW ENGLAND-NH (Fairpoint)N/A5113MILANMILNNHPLRS1N/APrefix Type: RBOC
Switch Name: MILAN
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: MILNNHPLRS1))
🕘 Prefix History
🔎 Explore Carrier Information
603-449-3XXXNHCONSOLIDATED COMM OF NO. NEW ENGLAND-NH (Fairpoint)N/A5113MILANMILNNHPLRS1N/APrefix Type: RBOC
Switch Name: MILAN
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: MILNNHPLRS1))
🕘 Prefix History
🔎 Explore Carrier Information
603-449-4XXXNHBELL ATLANTIC MOBILE, INC (Verizon Communications)0007845035RMD00034246386MILANNOCLLIKNOWN10/15/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
603-449-6XXXNHTERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)0021193057RMD0001495145JMILANMILNNHPLRS108/06/2025Prefix Type: CLEC
Switch Name: MILAN
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: MILNNHPLRS1))
🕘 Prefix History
🔎 Explore Carrier Information
603-449-9XXXNHCONSOLIDATED COMM OF NO. NEW ENGLAND-NH (Fairpoint)N/A5113MILANMILNNHPLRS106/11/2014Prefix Type: RBOC
Switch Name: MILAN
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: MILNNHPLRS1))
🕘 Prefix History
🔎 Explore Carrier Information
603-951NHLEVEL 3 COMMUNICATIONS, LLC - NH (Lumen Technologies, Inc)0015338122RMD00061124017MILANMNCHNHCOX8Z00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: MNCHNHCOX8Z))
🕘 Prefix History
🔎 Explore Carrier Information
603-951 is split into 1,000-number blocks - detail below
603-951-0XXXNHBELL ATLANTIC MOBILE, INC (Verizon Communications)0007845035RMD00034246386MILANNOCLLIKNOWN06/21/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
603-951-2XXXNHOMNIPOINT MIAMI E LICENSE, LLC (T-Mobile US, Inc)N/A6889MILANNOCLLIKNOWN11/06/2025Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
603-951-4XXXNHLEVEL 3 COMMUNICATIONS, LLC - NH (Lumen Technologies, Inc)0015338122RMD00061124017MILANMNCHNHCOX8ZN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: MNCHNHCOX8Z))
🕘 Prefix History
🔎 Explore Carrier Information
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.