Input a CLLI:

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

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.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
931-380TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-381TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-388TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-490TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-540TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
Thousands block for 931-540
931-540-0TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-540-1TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-540-2TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-540-4TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-540-5TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-540-6TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-540-7TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-540-8TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-540-9TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-560TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
Thousands block for 931-560
931-560-0TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-560-1TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-560-2TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-560-3TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-560-4TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-560-5TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info
931-840TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419COLUMBIACLMATNMADS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Nashville TN (470)
Tandem: N/A
Detailed Switch Info