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
305-207FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-220FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-221FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-222FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-222 is split into 1,000-number blocks - detail below
305-222-0XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-222-1XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-222-2XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-222-3XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-222-4XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-222-5XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-222-6XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-222-8XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-222-9XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-223FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-225FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-226FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-227FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-228FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-229FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-348FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-480FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-485FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-487FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-487 is split into 1,000-number blocks - detail below
305-487-4XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-487-5XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-487-6XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-487-9XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-551FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-552FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-553FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-554FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
305-559FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS000/00/0000Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
786-315FLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS009/21/2001Prefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
786-315 is split into 1,000-number blocks - detail below
786-315-2XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
786-315-5XXXFLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417MIAMIMIAMFLCADS0N/APrefix Type: RBOC
Switch Name: MIAMI
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: MIAMFLCADS0))
🕘 Prefix History
🔎 Explore Carrier Information
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