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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
667-333MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697ARGRGBSNISBLTMMDCH25Z05/14/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-333
667-333-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN07/13/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-333-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN09/01/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-333-2MDTERRA NOVA TELECOM INC.145JARGRGBSNISNOCLLIKNOWN12/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-333-3MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697ARGRGBSNISBLTMMDCH25Z05/18/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-333-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN07/13/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-333-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN07/13/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-333-6MDCORE COMMUNICATIONS, INC.- MD2593ARGRGBSNISNOCLLIKNOWN05/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-333-7MDCORE COMMUNICATIONS, INC.- MD2593ARGRGBSNISNOCLLIKNOWN05/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-333-8MDONVOY SPECTRUM, LLC (Inteliquent)624HARGRGBSNISNOCLLIKNOWN04/23/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-333-9MDIP HORIZON LLC515JARGRGBSNISNOCLLIKNOWN05/03/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info