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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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
301-418MDVERIZON MARYLAND, INC. (Verizon Communications)9212FREDERICKFRDRMDFRDS011/20/2002Prefix Type: RBOC
Switch Name: FREDERICK 1
Switch Type: WECO 5ESS (Digital)
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
Thousands block for 301-418
301-418-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212FREDERICKFRDRMDFRDS007/06/2004Prefix Type: RBOC
Switch Name: FREDERICK 1
Switch Type: WECO 5ESS (Digital)
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
301-418-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212FREDERICKFRDRMDFRDS011/22/2002Prefix Type: RBOC
Switch Name: FREDERICK 1
Switch Type: WECO 5ESS (Digital)
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
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