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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-837MDUS LEC OF MARYLAND, INC.2589ANNAPOLISCLMAMDJTDS009/24/2001Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-837
443-837-0MDUS LEC OF MARYLAND, INC.2589ANNAPOLISCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-837-1MDUS LEC OF MARYLAND, INC.2589ANNAPOLISCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-837-2MDUS LEC OF MARYLAND, INC.2589ANNAPOLISCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-837-3MDUS LEC OF MARYLAND, INC.2589ANNAPOLISCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-837-4MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855ANNAPOLISBLTMMDCH40Z01/06/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-837-5MDBANDWIDTH.COM CLEC, LLC - MD071FANNAPOLISNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-837-6MDCOMCAST IP PHONE, LLC (Comcast)318JANNAPOLISBLTMMDCHXFX01/22/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-837-7MDBANDWIDTH.COM CLEC, LLC - MD071FANNAPOLISNOCLLIKNOWN01/31/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-837-8MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855ANNAPOLISBLTMMDCH40Z12/10/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-837-9MDUS LEC OF MARYLAND, INC.2589ANNAPOLISCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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