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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🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
615-212TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419SPRINGFLDSPFDTNMADS000/00/0000Prefix Type: RBOC
Switch Name: SPRINGFIELD
Switch Type: Northern Telecom DMS10S
LATA: Nashville TN (470)
Tandem: N/A
🔧 Explore Switch(CLLI: SPFDTNMADS0))
🕘 Prefix History
🔎 Explore Carrier Information
615-212 is split into 1,000-number blocks - detail below
615-212-0XXXTNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419SPRINGFLDSPFDTNMADS0N/APrefix Type: RBOC
Switch Name: SPRINGFIELD
Switch Type: Northern Telecom DMS10S
LATA: Nashville TN (470)
Tandem: N/A
🔧 Explore Switch(CLLI: SPFDTNMADS0))
🕘 Prefix History
🔎 Explore Carrier Information
615-382TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419SPRINGFLDSPFDTNMADS000/00/0000Prefix Type: RBOC
Switch Name: SPRINGFIELD
Switch Type: Northern Telecom DMS10S
LATA: Nashville TN (470)
Tandem: N/A
🔧 Explore Switch(CLLI: SPFDTNMADS0))
🕘 Prefix History
🔎 Explore Carrier Information
615-384TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419SPRINGFLDSPFDTNMADS000/00/0000Prefix Type: RBOC
Switch Name: SPRINGFIELD
Switch Type: Northern Telecom DMS10S
LATA: Nashville TN (470)
Tandem: N/A
🔧 Explore Switch(CLLI: SPFDTNMADS0))
🕘 Prefix History
🔎 Explore Carrier Information
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