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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
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
443-337-0MDMETROPCS, INC. (T-Mobile US, Inc)5562SPARROWSPTNOCLLIKNOWN03/23/2021Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-337-1MDMETROPCS, INC. (T-Mobile US, Inc)5562SPARROWSPTNOCLLIKNOWN09/19/2019Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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
443-337-3MDMETROPCS, INC. (T-Mobile US, Inc)5562SPARROWSPTNOCLLIKNOWN09/07/2017Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-337-4MDMETROPCS, INC. (T-Mobile US, Inc)5562SPARROWSPTNOCLLIKNOWN12/13/2017Prefix Type: PCS
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