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
336-757NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417WINSTN SALWNSLNCWH75F00/00/0000Prefix Type: RBOC
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
Thousands block for 336-757
336-757-3NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417WINSTN SALWNSLNCWH75FN/APrefix Type: RBOC
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-757-4NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417WINSTN SALWNSLNCWH75FN/APrefix Type: RBOC
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-896NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417WINSTN SALWNSLNCWH75F00/00/0000Prefix Type: RBOC
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
Thousands block for 336-896
336-896-0NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417WINSTN SALWNSLNCWH75FN/APrefix Type: RBOC
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-896-1NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417WINSTN SALWNSLNCWH75FN/APrefix Type: RBOC
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-896-2NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417WINSTN SALWNSLNCWH75FN/APrefix Type: RBOC
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-896-4NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417WINSTN SALWNSLNCWH75FN/APrefix Type: RBOC
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-896-5NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417WINSTN SALWNSLNCWH75FN/APrefix Type: RBOC
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-896-6NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417WINSTN SALWNSLNCWH75FN/APrefix Type: RBOC
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-896-7NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417WINSTN SALWNSLNCWH75FN/APrefix Type: RBOC
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-896-8NCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)9417WINSTN SALWNSLNCWH75FN/APrefix Type: RBOC
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info
336-896-9NCCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC (Verizon Wireless)6324WINSTN SALWNSLNCWH75F12/29/2022Prefix Type: WIRELESS
Switch Name: WINSTON-SALEM
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Greensboro NC (424)
Tandem: N/A
Detailed Switch Info