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
301-241MDVERIZON MARYLAND, INC. (Verizon Communications)9212HIGHFIELDHGFLMDHFRS000/00/0000Prefix Type: RBOC
Switch Name: HIGHFIELD
Switch Type: 5ESS-RSM
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
Thousands block for 301-241
301-241-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212HIGHFIELDHGFLMDHFRS0N/APrefix Type: RBOC
Switch Name: HIGHFIELD
Switch Type: 5ESS-RSM
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
301-241-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212HIGHFIELDHGFLMDHFRS0N/APrefix Type: RBOC
Switch Name: HIGHFIELD
Switch Type: 5ESS-RSM
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
301-241-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212HIGHFIELDHGFLMDHFRS0N/APrefix Type: RBOC
Switch Name: HIGHFIELD
Switch Type: 5ESS-RSM
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
301-241-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212HIGHFIELDHGFLMDHFRS0N/APrefix Type: RBOC
Switch Name: HIGHFIELD
Switch Type: 5ESS-RSM
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info