Looking up a complete telephone number? Try Number Sleuth, a simplified interface for this lookup.

Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
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-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
484-237PALEVEL 3 COMMUNICATIONS, LLC - PA (Lumen Technologies, Inc)0015338122RMD00061124007DOWNINGTNPHLAPAFGD0S00/00/0000Prefix Type: CLEC
Switch Name: PHILADELPHIA
Switch Type: N/A
LATA: Philadelphia PA (includes entire state of Delaware) (228)
Tandem: N/A
🔧 Explore Switch(CLLI: PHLAPAFGD0S))
🕘 Prefix History
🔎 Explore Carrier Information
484-237 is split into 1,000-number blocks - detail below
484-237-0XXXPACORE COMMUNICATIONS, INC. - PAN/AN/A3806DOWNINGTNNOCLLIKNOWN03/23/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Philadelphia PA (includes entire state of Delaware) (228)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
484-237-1XXXPABANDWIDTH.COM CLEC, LLC - PA (Bandwidth Inc.)0017042060RMD0003709002FDOWNINGTNNOCLLIKNOWN10/26/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Philadelphia PA (includes entire state of Delaware) (228)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
484-237-2XXXPAMCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA (Verizon Communications)0004999405RMD00029577434DOWNINGTNKGPRPADODS004/15/2003Prefix Type: CLEC
Switch Name: REHOBOTH
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Philadelphia PA (includes entire state of Delaware) (228)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPRPADODS0))
🕘 Prefix History
🔎 Explore Carrier Information
484-237-3XXXPALEVEL 3 COMMUNICATIONS, LLC - PA (Lumen Technologies, Inc)0015338122RMD00061124007DOWNINGTNPHLAPAFGD0S11/04/2008Prefix Type: CLEC
Switch Name: PHILADELPHIA
Switch Type: N/A
LATA: Philadelphia PA (includes entire state of Delaware) (228)
Tandem: N/A
🔧 Explore Switch(CLLI: PHLAPAFGD0S))
🕘 Prefix History
🔎 Explore Carrier Information
484-237-4XXXPATON80 COMMUNICATIONS, LLC (CoreTel Communications)0025462672RMD0005819516JDOWNINGTNNOCLLIKNOWN02/24/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Philadelphia PA (includes entire state of Delaware) (228)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
484-237-5XXXPALEVEL 3 COMMUNICATIONS, LLC - PA (Lumen Technologies, Inc)0015338122RMD00061124007DOWNINGTNPHLAPAFGD0SN/APrefix Type: CLEC
Switch Name: PHILADELPHIA
Switch Type: N/A
LATA: Philadelphia PA (includes entire state of Delaware) (228)
Tandem: N/A
🔧 Explore Switch(CLLI: PHLAPAFGD0S))
🕘 Prefix History
🔎 Explore Carrier Information
484-237-6XXXPALEVEL 3 COMMUNICATIONS, LLC - PA (Lumen Technologies, Inc)0015338122RMD00061124007DOWNINGTNPHLAPAFGD0SN/APrefix Type: CLEC
Switch Name: PHILADELPHIA
Switch Type: N/A
LATA: Philadelphia PA (includes entire state of Delaware) (228)
Tandem: N/A
🔧 Explore Switch(CLLI: PHLAPAFGD0S))
🕘 Prefix History
🔎 Explore Carrier Information
484-237-7XXXPACORE COMMUNICATIONS, INC. - PAN/AN/A3806DOWNINGTNNOCLLIKNOWN03/07/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Philadelphia PA (includes entire state of Delaware) (228)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
484-237-8XXXPACOMCAST IP PHONE, LLC (Comcast Corporation)0008497687RMD0003552318JDOWNINGTNPHLAPAMKXCX07/17/2002Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Philadelphia PA (includes entire state of Delaware) (228)
Tandem: N/A
🔧 Explore Switch(CLLI: PHLAPAMKXCX))
🕘 Prefix History
🔎 Explore Carrier Information
484-237-9XXXPAPEERLESS NETWORK OF PENNSYLVANIA, LLC - PA (Infobip)N/AN/A967EDOWNINGTNNOCLLIKNOWN04/16/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Philadelphia PA (includes entire state of Delaware) (228)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 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.