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
301-954MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSHNGTNZN4BLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: N/A
Tandem: N/A
Detailed Switch Info
410-223MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-230MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-234MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-332MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-347MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-385MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-393MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-468MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-470MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS306/28/2005Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-470
410-470-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS307/08/2005Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-470-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS307/08/2005Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-470-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS307/08/2005Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-470-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS307/08/2005Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-470-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS307/08/2005Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-470-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS307/08/2005Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-470-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS307/08/2005Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-470-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS307/08/2005Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-470-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS307/08/2005Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-470-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS307/08/2005Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-539MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-547MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-576MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-625MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-659MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-727MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-752MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-783MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-837MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-895MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-954MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-986MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-263MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS300/00/0000Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-423
443-423-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS305/06/2004Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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