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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
301-355MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGGTBGMDGBPS012/08/2005Prefix Type: RBOC
Switch Name: GAITHERSBURG
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
Thousands block for 301-355
301-355-0MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119GAITHERSBGNOCLLIKNOWN09/30/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-355-1MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050GAITHERSBGNOCLLIKNOWN11/02/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-355-2MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119GAITHERSBGNOCLLIKNOWN01/03/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-355-3MDONVOY, LLC - MD (Inteliquent)876DGAITHERSBGNOCLLIKNOWN05/21/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-355-4MDCOMCAST IP PHONE, LLC318JGAITHERSBGNOCLLIKNOWN07/29/2009Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-355-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGGTBGMDGBPS007/31/2007Prefix Type: RBOC
Switch Name: GAITHERSBURG
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-355-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGGTBGMDGBPS007/31/2007Prefix Type: RBOC
Switch Name: GAITHERSBURG
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-355-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGGTBGMDGBPS007/31/2007Prefix Type: RBOC
Switch Name: GAITHERSBURG
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-355-8MDCOMCAST IP PHONE, LLC318JGAITHERSBGNOCLLIKNOWN07/29/2009Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-355-9MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EGAITHERSBGNOCLLIKNOWN01/21/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
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