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
337-413LABELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (AT&T)N/AN/A9419FRANKLINFKLNLAMARS100/00/0000Prefix Type: RBOC
Switch Name: FRANKLIN
Switch Type: Northern Telecom Remote Switching Center
LATA: Lafayette LA (488)
Tandem: N/A
🔧 Explore Switch(CLLI: FKLNLAMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
337-413 is split into 1,000-number blocks - detail below
337-413-9XXXLABELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (AT&T)N/AN/A9419FRANKLINFKLNLAMARS1N/APrefix Type: RBOC
Switch Name: FRANKLIN
Switch Type: Northern Telecom Remote Switching Center
LATA: Lafayette LA (488)
Tandem: N/A
🔧 Explore Switch(CLLI: FKLNLAMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
337-828LABELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (AT&T)N/AN/A9419FRANKLINFKLNLAMARS100/00/0000Prefix Type: RBOC
Switch Name: FRANKLIN
Switch Type: Northern Telecom Remote Switching Center
LATA: Lafayette LA (488)
Tandem: N/A
🔧 Explore Switch(CLLI: FKLNLAMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
337-829LABELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (AT&T)N/AN/A9419FRANKLINFKLNLAMARS100/00/0000Prefix Type: RBOC
Switch Name: FRANKLIN
Switch Type: Northern Telecom Remote Switching Center
LATA: Lafayette LA (488)
Tandem: N/A
🔧 Explore Switch(CLLI: FKLNLAMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
337-829 is split into 1,000-number blocks - detail below
337-829-0XXXLABELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (AT&T)N/AN/A9419FRANKLINFKLNLAMARS1N/APrefix Type: RBOC
Switch Name: FRANKLIN
Switch Type: Northern Telecom Remote Switching Center
LATA: Lafayette LA (488)
Tandem: N/A
🔧 Explore Switch(CLLI: FKLNLAMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
337-829-1XXXLABELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (AT&T)N/AN/A9419FRANKLINFKLNLAMARS1N/APrefix Type: RBOC
Switch Name: FRANKLIN
Switch Type: Northern Telecom Remote Switching Center
LATA: Lafayette LA (488)
Tandem: N/A
🔧 Explore Switch(CLLI: FKLNLAMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
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