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
410-515MDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212FORKWNRNMDWNRS100/00/0000Prefix Type: RBOC
Switch Name: FORK
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: WNRNMDWNRS1))
410-569MDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212EDGEWOODWNRNMDWNRS100/00/0000Prefix Type: RBOC
Switch Name: FORK
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: WNRNMDWNRS1))
443-512MDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212EDGEWOODWNRNMDWNRS100/00/0000Prefix Type: RBOC
Switch Name: FORK
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: WNRNMDWNRS1))
443-512 is split into 1,000-number blocks - detail below
443-512-0XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212EDGEWOODWNRNMDWNRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: WNRNMDWNRS1))
443-512-8XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212EDGEWOODWNRNMDWNRS1N/APrefix Type: RBOC
Switch Name: FORK
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: WNRNMDWNRS1))
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