🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data
| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 410-510 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 0004274114 | RMD0003897 | 7325 | FORK | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDFMDS0)) |
| 410-510 is split into 1,000-number blocks - detail below | |||||||||
| 410-510-0XXX | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 0004274114 | RMD0003897 | 7325 | FORK | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDFMDS0)) |
| 410-510-1XXX | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 0004274114 | RMD0003897 | 7325 | FORK | BLTMMDFMDS0 | N/A | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDFMDS0)) |
| 410-510-2XXX | MD | ONVOY SPECTRUM, LLC (Sinch) | 0024415002 | RMD0002045 | 624H | FORK | NOCLLIKNOWN | 06/26/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 410-510-3XXX | MD | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 0018511246 | RMD0003054 | 4492 | FORK | NOCLLIKNOWN | 01/21/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 410-510-4XXX | MD | ONVOY SPECTRUM, LLC (Sinch) | 0024415002 | RMD0002045 | 624H | FORK | NOCLLIKNOWN | 06/26/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 410-510-5XXX | MD | CORE COMMUNICATIONS, INC.- MD | N/A | 2593 | FORK | NOCLLIKNOWN | 03/01/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) | |
| 410-510-6XXX | MD | ONVOY SPECTRUM, LLC (Sinch) | 0024415002 | RMD0002045 | 624H | FORK | NOCLLIKNOWN | 06/26/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 410-510-7XXX | MD | COMCAST IP PHONE, LLC (Comcast) | 0008497687 | RMD0003552 | 318J | FORK | NOCLLIKNOWN | 02/11/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 410-510-8XXX | MD | ONVOY, LLC - MD (Sinch) | 0004323028 | RMD0001966 | 876D | FORK | NOCLLIKNOWN | 09/20/2022 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |