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
440-235OHOHIO BELL TEL CO (AT&T)N/A9321OLMSTEDFLSOLFLOH23RS200/00/0000Prefix Type: RBOC
Switch Name: OLMSTED FALLS
Switch Type: N/A
LATA: Cleveland OH (320)
Tandem: CLEVOH620GT
🔧 Explore Switch(CLLI: OLFLOH23RS2))
440-427OHOHIO BELL TEL CO (AT&T)N/A9321OLMSTEDFLSOLFLOH23RS200/00/0000Prefix Type: RBOC
Switch Name: OLMSTED FALLS
Switch Type: N/A
LATA: Cleveland OH (320)
Tandem: CLEVOH620GT
🔧 Explore Switch(CLLI: OLFLOH23RS2))
440-427 is split into 1,000-number blocks - detail below
440-427-0XXXOHOHIO BELL TEL CO (AT&T)N/A9321OLMSTEDFLSOLFLOH23RS2N/APrefix Type: RBOC
Switch Name: OLMSTED FALLS
Switch Type: N/A
LATA: Cleveland OH (320)
Tandem: CLEVOH620GT
🔧 Explore Switch(CLLI: OLFLOH23RS2))
440-427-1XXXOHOHIO BELL TEL CO (AT&T)N/A9321OLMSTEDFLSOLFLOH23RS2N/APrefix Type: RBOC
Switch Name: OLMSTED FALLS
Switch Type: N/A
LATA: Cleveland OH (320)
Tandem: CLEVOH620GT
🔧 Explore Switch(CLLI: OLFLOH23RS2))
440-427-2XXXOHOHIO BELL TEL CO (AT&T)N/A9321OLMSTEDFLSOLFLOH23RS2N/APrefix Type: RBOC
Switch Name: OLMSTED FALLS
Switch Type: N/A
LATA: Cleveland OH (320)
Tandem: CLEVOH620GT
🔧 Explore Switch(CLLI: OLFLOH23RS2))
440-427-6XXXOHOHIO BELL TEL CO (AT&T)N/A9321OLMSTEDFLSOLFLOH23RS2N/APrefix Type: RBOC
Switch Name: OLMSTED FALLS
Switch Type: N/A
LATA: Cleveland OH (320)
Tandem: CLEVOH620GT
🔧 Explore Switch(CLLI: OLFLOH23RS2))
440-427-8XXXOHOHIO BELL TEL CO (AT&T)N/A9321OLMSTEDFLSOLFLOH23RS2N/APrefix Type: RBOC
Switch Name: OLMSTED FALLS
Switch Type: N/A
LATA: Cleveland OH (320)
Tandem: CLEVOH620GT
🔧 Explore Switch(CLLI: OLFLOH23RS2))
440-427-9XXXOHOHIO BELL TEL CO (AT&T)N/A9321OLMSTEDFLSOLFLOH23RS2N/APrefix Type: RBOC
Switch Name: OLMSTED FALLS
Switch Type: N/A
LATA: Cleveland OH (320)
Tandem: CLEVOH620GT
🔧 Explore Switch(CLLI: OLFLOH23RS2))
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