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
205-284ALONVOY SPECTRUM, LLC (Sinch)0024415002RMD0002045624HCOLUMBIANATSCLALNODS006/27/2025Prefix Type: WIRELESS
Switch Name: TUSCALOOSA
Switch Type: N/A
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: TSCLALNODS0))
205-284 is split into 1,000-number blocks - detail below
205-284-0XXXALONVOY SPECTRUM, LLC (Sinch)0024415002RMD0002045624HCOLUMBIANATSCLALNODS006/27/2025Prefix Type: WIRELESS
Switch Name: TUSCALOOSA
Switch Type: N/A
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: TSCLALNODS0))
205-330ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419TUSCALOOSATSCLALNODS000/00/0000Prefix Type: RBOC
Switch Name: TUSCALOOSA
Switch Type: N/A
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: TSCLALNODS0))
205-333ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419TUSCALOOSATSCLALNODS000/00/0000Prefix Type: RBOC
Switch Name: TUSCALOOSA
Switch Type: N/A
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: TSCLALNODS0))
205-339ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419TUSCALOOSATSCLALNODS000/00/0000Prefix Type: RBOC
Switch Name: TUSCALOOSA
Switch Type: N/A
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: TSCLALNODS0))
659-233 is split into 1,000-number blocks - detail below
659-233-3XXXALONVOY SPECTRUM, LLC (Sinch)0024415002RMD0002045624HCOLUMBIANATSCLALNODS005/24/2023Prefix Type: WIRELESS
Switch Name: TUSCALOOSA
Switch Type: N/A
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: TSCLALNODS0))
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