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
770-537GABELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)N/A9417BREMENBRMNGAES53A00/00/0000Prefix Type: RBOC
Switch Name: BREMEN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Atlanta GA (438)
Tandem: N/A
🔧 Explore Switch(CLLI: BRMNGAES53A))
🕘 Prefix History
🔎 Explore Carrier Information
770-824GABELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)N/A9417BREMENBRMNGAES53A00/00/0000Prefix Type: RBOC
Switch Name: BREMEN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Atlanta GA (438)
Tandem: N/A
🔧 Explore Switch(CLLI: BRMNGAES53A))
🕘 Prefix History
🔎 Explore Carrier Information
770-824 is split into 1,000-number blocks - detail below
770-824-2XXXGABELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)N/A9417BREMENBRMNGAES53AN/APrefix Type: RBOC
Switch Name: BREMEN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Atlanta GA (438)
Tandem: N/A
🔧 Explore Switch(CLLI: BRMNGAES53A))
🕘 Prefix History
🔎 Explore Carrier Information
770-824-5XXXGABELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)N/A9417BREMENBRMNGAES53AN/APrefix Type: RBOC
Switch Name: BREMEN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Atlanta GA (438)
Tandem: N/A
🔧 Explore Switch(CLLI: BRMNGAES53A))
🕘 Prefix History
🔎 Explore Carrier Information
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