Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
336-218NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
Thousands block for 336-218
336-218-0NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-218-1NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-218-2NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-218-4NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-218-5NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-218-7NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-218-8NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-292NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-294NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-297NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
Thousands block for 336-297
336-297-0NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-297-1NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-297-2NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-297-4NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-297-5NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-297-9NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-299NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-315NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-316NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
Thousands block for 336-316
336-316-0NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-316-1NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-316-2NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-316-3NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-316-4NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-316-5NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-316-6NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-316-7NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-323NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
Thousands block for 336-323
336-323-0NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-323-1NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-323-2NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-323-3NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-323-4NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-323-5NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-323-6NCONVOY SPECTRUM, LLC (Sinch)624HGREENSBOROGNBONCAS29F10/20/2021Prefix Type: WIRELESS
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-323-7NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-323-9NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-522NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F08/27/2004Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
Thousands block for 336-522
336-522-0NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F08/14/2018Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-522-1NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-522-2NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-522-3NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-522-4NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-547NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-632NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-834NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
Thousands block for 336-834
336-834-0NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-834-1NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-834-2NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-834-3NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-834-4NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-834-5NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-834-6NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-834-8NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-834-9NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29FN/APrefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-851NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-852NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-854NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-855NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-856NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417GREENSBOROGNBONCAS29F00/00/0000Prefix Type: RBOC
Switch Name: GREENSBORO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info