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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
443-367MDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212COLUMBIACLMAMDCBRP000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMAMDCBRP0))
443-367 is split into 1,000-number blocks - detail below
443-367-0XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212COLUMBIACLMAMDCBRP0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMAMDCBRP0))
443-367-1XXXMDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)N/A6855COLUMBIABLTMMDCH03Z06/02/2005Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMDCH03Z))
443-367-2XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212COLUMBIACLMAMDCBRP0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMAMDCBRP0))
443-367-3XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212COLUMBIACLMAMDCBRP0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMAMDCBRP0))
443-367-4XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JCOLUMBIACLMAMDJTDSA05/25/2007Prefix Type: IPES
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMAMDJTDSA))
443-367-5XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212COLUMBIACLMAMDCBRP0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMAMDCBRP0))
443-367-6XXXMDCORE COMMUNICATIONS, INC.- MDN/A2593COLUMBIANOCLLIKNOWN03/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-367-7XXXMDVERIZON MARYLAND, INC. (Verizon Communications)0002166825RMD00029419212COLUMBIACLMAMDCBRP0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMAMDCBRP0))
443-367-8XXXMDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)0003290673RMD00033826395COLUMBIABLTOMDKHBMD09/29/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTOMDKHBMD))
443-367-9XXXMDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)0015338122RMD00061126119COLUMBIANOCLLIKNOWN03/10/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))