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
410-323MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS000/00/0000Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS000/00/0000Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-372
410-372-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-377MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS000/00/0000Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-433MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS000/00/0000Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-435MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS000/00/0000Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-464MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS000/00/0000Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-464
410-464-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-464-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-464-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-464-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-464-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-464-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-464-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-464-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-532MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS000/00/0000Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-617MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS000/00/0000Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-617
410-617-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-617-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-617-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-617-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-617-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-617-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-617-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-617-9MDBANDWIDTH.COM CLEC, LLC - MD071FBALTIMOREBLTMMDYKDS007/15/2019Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-444MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS000/00/0000Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-444
443-444-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS007/12/2005Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-444-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS007/12/2005Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-444-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS007/12/2005Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-444-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS007/12/2005Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-444-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS007/12/2005Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-444-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS007/12/2005Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-444-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS007/12/2005Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-444-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS007/12/2005Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-444-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS007/12/2005Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-444-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDYKDS007/12/2005Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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