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
443-599MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050SEVERNBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-599
443-599-0MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050SEVERNBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-1MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050SEVERNBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-2MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN05/22/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-3MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN05/22/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-4MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050SEVERNBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-5MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN08/13/2020Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-6MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN01/08/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-7MDCENTURYLINK COMMUNICATIONS, LL (CenturyLink, Inc)508JSEVERNBLTMMDDN2MD05/27/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-8MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN05/04/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-9MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Member of The Internet Defense League