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
803-223SCTELEPORT COMMUNICATIONS AMERICA SC- LLC (AT&T)N/A635CCOLUMBIACLMASCSNX1Z00/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSNX1Z))
803-223 is split into 1,000-number blocks - detail below
803-223-0XXXSCTELEPORT COMMUNICATIONS AMERICA SC- LLC (AT&T)N/A635CCOLUMBIACLMASCSNX1ZN/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSNX1Z))
803-476SCTELEPORT COMMUNICATIONS AMERICA SC- LLC (AT&T)N/A635CCOLUMBIACLMASCSNX1Z00/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSNX1Z))
803-476 is split into 1,000-number blocks - detail below
803-476-0XXXSCTELEPORT COMMUNICATIONS AMERICA SC- LLC (AT&T)N/A635CCOLUMBIACLMASCSNX1ZN/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSNX1Z))
803-476-1XXXSCTELEPORT COMMUNICATIONS AMERICA SC- LLC (AT&T)N/A635CCOLUMBIACLMASCSNX1ZN/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSNX1Z))
803-476-9XXXSCTELEPORT COMMUNICATIONS AMERICA SC- LLC (AT&T)N/A635CCOLUMBIACLMASCSNX1ZN/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSNX1Z))
803-900SCTELEPORT COMMUNICATIONS AMERICA SC- LLC (AT&T)N/A635CCAMDENCLMASCSNX1Z05/01/2008Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSNX1Z))
803-900 is split into 1,000-number blocks - detail below
803-900-6XXXSCTELEPORT COMMUNICATIONS AMERICA SC- LLC (AT&T)N/A635CCAMDENCLMASCSNX1Z05/02/2008Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSNX1Z))
839-321SCTELEPORT COMMUNICATIONS AMERICA SC- LLC (AT&T)N/A635CCOLUMBIACLMASCSNX1Z00/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSNX1Z))
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