Input an Area Code (required) followed by the Prefix, or Exchange (optional):
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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
301-637MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WSNGTNZN10MCLNVA23DS400/00/0000Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-637
301-637-0MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WSNGTNZN10MCLNVA23DS412/01/2004Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-637-1MDPAETEC ITEL, LLC829JWSNGTNZN10CHCHMDBE6MD11/16/2005Prefix Type: IPES
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-637-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WSNGTNZN10MCLNVA23DS403/13/2006Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-637-3MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WSNGTNZN10MCLNVA23DS403/13/2006Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-637-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WSNGTNZN10MCLNVA23DS4N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-637-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WSNGTNZN10MCLNVA23DS403/08/2005Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-637-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WSNGTNZN10MCLNVA23DS403/08/2005Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-637-7MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WSNGTNZN10MCLNVA23DS403/08/2005Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-637-8MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WSNGTNZN10MCLNVA23DS405/19/2006Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-637-9MDCOMCAST IP PHONE, LLC (Comcast)318JWSNGTNZN10NOCLLIKNOWN09/29/2010Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
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