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
301-359MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTERNPTPDMTWVAARS100/00/0000Prefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: NTDMSRSC
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
Thousands block for 301-359
301-359-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTERNPTPDMTWVAARS1N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: NTDMSRSC
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
301-359-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTERNPTPDMTWVAARS1N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: NTDMSRSC
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
301-359-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTERNPTPDMTWVAARS1N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: NTDMSRSC
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
301-359-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTERNPTPDMTWVAARS1N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: NTDMSRSC
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
301-359-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTERNPTPDMTWVAARS1N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: NTDMSRSC
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
304-355WVFRONTIER WEST VIRGINIA INC. (Frontier Communications)9214PIEDMONTPDMTWVAARS100/00/0000Prefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: NTDMSRSC
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
Thousands block for 304-355
304-355-2WVFRONTIER WEST VIRGINIA INC. (Frontier Communications)9214PIEDMONTPDMTWVAARS1N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: NTDMSRSC
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
304-355-8WVFRONTIER WEST VIRGINIA INC. (Frontier Communications)9214PIEDMONTPDMTWVAARS1N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: NTDMSRSC
LATA: Hagerstown MD (240)
Tandem: N/A
Detailed Switch Info
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