Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-274MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNODTNMDPORS200/00/0000Prefix Type: RBOC
Switch Name: ODENTON
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-274
443-274-0MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119SEVERNNOCLLIKNOWN02/14/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-1MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716SEVERNBLTMMDCHW2909/29/2005Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-2MDCOMCAST IP PHONE, LLC (Comcast)318JSEVERNNOCLLIKNOWN09/10/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228SEVERNBLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-4MDONVOY, LLC - MD (Sinch)876DSEVERNNOCLLIKNOWN02/06/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-5MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN03/25/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-6MDLIGHTWAVE COMMUNICATIONS, LLC - MD5966SEVERNNOCLLIKNOWN06/08/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-7MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN03/25/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395SEVERNNOCLLIKNOWN04/06/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNODTNMDPORS2N/APrefix Type: RBOC
Switch Name: ODENTON
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info