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
443-264MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEBLTMMDCHYMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-264
443-264-2MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEBLTMMDCHYMD03/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-5MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-6MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-7MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-9MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEBLTMMDCHYMD10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-269MDCORE COMMUNICATIONS, INC.- MD2593TOWSONBLTMMDCHYMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-269
443-269-3MDCORE COMMUNICATIONS, INC.- MD2593TOWSONBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-269-4MDCORE COMMUNICATIONS, INC.- MD2593TOWSONBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-269-5MDCORE COMMUNICATIONS, INC.- MD2593TOWSONBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-337MDCORE COMMUNICATIONS, INC.- MD2593SPARROWSPTBLTMMDCHYMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-337
443-337-2MDCORE COMMUNICATIONS, INC.- MD2593SPARROWSPTBLTMMDCHYMD03/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-337-5MDCORE COMMUNICATIONS, INC.- MD2593SPARROWSPTBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-337-6MDCORE COMMUNICATIONS, INC.- MD2593SPARROWSPTBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-337-7MDCORE COMMUNICATIONS, INC.- MD2593SPARROWSPTBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-337-8MDCORE COMMUNICATIONS, INC.- MD2593SPARROWSPTBLTMMDCHYMD03/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-337-9MDCORE COMMUNICATIONS, INC.- MD2593SPARROWSPTBLTMMDCHYMD07/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-346MDCORE COMMUNICATIONS, INC.- MD2593SEVERNA PKBLTMMDCHYMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-346
443-346-2MDCORE COMMUNICATIONS, INC.- MD2593SEVERNA PKBLTMMDCHYMD03/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-346-5MDCORE COMMUNICATIONS, INC.- MD2593SEVERNA PKBLTMMDCHYMD10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-346-6MDCORE COMMUNICATIONS, INC.- MD2593SEVERNA PKBLTMMDCHYMD03/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-346-7MDCORE COMMUNICATIONS, INC.- MD2593SEVERNA PKBLTMMDCHYMD10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-346-8MDCORE COMMUNICATIONS, INC.- MD2593SEVERNA PKBLTMMDCHYMD10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-346-9MDCORE COMMUNICATIONS, INC.- MD2593SEVERNA PKBLTMMDCHYMD10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-431MDCORE COMMUNICATIONS, INC.- MD2593RANDALLSTNBLTMMDCHYMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-431
443-431-2MDCORE COMMUNICATIONS, INC.- MD2593RANDALLSTNBLTMMDCHYMD07/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-431-5MDCORE COMMUNICATIONS, INC.- MD2593RANDALLSTNBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-431-6MDCORE COMMUNICATIONS, INC.- MD2593RANDALLSTNBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-431-7MDCORE COMMUNICATIONS, INC.- MD2593RANDALLSTNBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-628MDCORE COMMUNICATIONS, INC.- MD2593GLENBURNIEBLTMMDCHYMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-628
443-628-0MDCORE COMMUNICATIONS, INC.- MD2593GLENBURNIEBLTMMDCHYMD04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-628-2MDCORE COMMUNICATIONS, INC.- MD2593GLENBURNIEBLTMMDCHYMD04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-628-3MDCORE COMMUNICATIONS, INC.- MD2593GLENBURNIEBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-628-4MDCORE COMMUNICATIONS, INC.- MD2593GLENBURNIEBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-628-5MDCORE COMMUNICATIONS, INC.- MD2593GLENBURNIEBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-946MDCORE COMMUNICATIONS, INC.- MD2593PARKVILLEBLTMMDCHYMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-946
443-946-2MDCORE COMMUNICATIONS, INC.- MD2593PARKVILLEBLTMMDCHYMD04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-946-3MDCORE COMMUNICATIONS, INC.- MD2593PARKVILLEBLTMMDCHYMD10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-946-4MDCORE COMMUNICATIONS, INC.- MD2593PARKVILLEBLTMMDCHYMD10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-946-5MDCORE COMMUNICATIONS, INC.- MD2593PARKVILLEBLTMMDCHYMD10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-946-8MDCORE COMMUNICATIONS, INC.- MD2593PARKVILLEBLTMMDCHYMD10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-771MDWIDE VOICE, LLC - MD530HBALTIMOREBLTMMDCHYMD12/04/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-771
667-771-1MDWIDE VOICE, LLC - MD530HBALTIMOREBLTMMDCHYMD12/07/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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