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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-508MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910HAMPSTEADHNVAMDBHAMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-508
443-508-0MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910HAMPSTEADHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-508-1MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664HAMPSTEADBLTMMDCH40Z11/30/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-508-2MDCOMCAST IP PHONE, LLC318JHAMPSTEADNOCLLIKNOWN01/22/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-508-3MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228HAMPSTEADBLTOMDKHDS009/19/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-508-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212HAMPSTEADHMPSMDHERS108/27/2004Prefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-508-5MDPEERLESS NETWORK OF MARYLAND, 568GHAMPSTEADNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-508-6MDTWILIO INTERNATIONAL, INC.506JHAMPSTEADNOCLLIKNOWN11/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-508-7MDONVOY, LLC - MD (Inteliquent)876DHAMPSTEADNOCLLIKNOWN09/11/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-508-8MDBANDWIDTH.COM CLEC, LLC - MD071FHAMPSTEADNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-508-9MDPEERLESS NETWORK OF MARYLAND, 568GHAMPSTEADNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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