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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-657MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (CenturyLink, Inc)7591RANDALLSTNBLTMMDDNDS200/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-657
443-657-0MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855RANDALLSTNBLTMMDCH03Z10/13/2014Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-657-1MDIP HORIZON LLC515JRANDALLSTNNOCLLIKNOWN09/15/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-657-2MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (CenturyLink, Inc)7591RANDALLSTNBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-657-3MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855RANDALLSTNBLTMMDCH03Z10/13/2014Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-657-6MDTERRA NOVA TELECOM INC.145JRANDALLSTNNOCLLIKNOWN01/09/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-657-7MDCOMCAST IP PHONE, LLC318JRANDALLSTNNOCLLIKNOWN10/20/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-657-8MDONVOY, LLC - MD (Inteliquent)876DRANDALLSTNNOCLLIKNOWN02/01/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-657-9MDONVOY, LLC - MD (Inteliquent)876DRANDALLSTNNOCLLIKNOWN02/01/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info