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
313-298MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456 is split into 1,000-number blocks - detail below
313-456-0XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456-1XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456-2XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456-3XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456-4XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456-6XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456-7XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-664MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-758MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA05/25/2001Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-758 is split into 1,000-number blocks - detail below
313-758-0XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-758-2XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-758-3XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-758-4XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-758-5XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870 is split into 1,000-number blocks - detail below
313-870-0XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-1XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-2XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-3XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-4XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-5XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-6XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-9XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-871MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872 is split into 1,000-number blocks - detail below
313-872-0XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-1XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-2XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-3XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-4XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-5XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-6XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-7XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-9XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-873MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-874MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-875MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-876MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-916MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-972MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-974MIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPA00/00/0000Prefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-974 is split into 1,000-number blocks - detail below
313-974-3XXXMIMICHIGAN BELL TEL CO (AT&T)N/A9323DETROITZN1DTRTMIMDRPAN/APrefix Type: RBOC
Switch Name: DETROIT
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: N/A
🔧 Explore Switch(CLLI: DTRTMIMDRPA))
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