Warning: site is in maintainance mode, data may not be accurate and some queries may not work!
| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 443-285 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| Thousands block for 443-285 | |||||||
| 443-285-0 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-1 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COLUMBIA | NOCLLIKNOWN | 04/05/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-2 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COLUMBIA | NOCLLIKNOWN | 09/07/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-3 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COLUMBIA | NOCLLIKNOWN | 08/05/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-4 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-5 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-6 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLUMBIA | BLTMMDSN5MD | N/A | Prefix Type: CLEC Switch Name: BRYNPKLNCM Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-7 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-8 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | COLUMBIA | CLMAMDSRRS0 | N/A | Prefix Type: RBOC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
| 443-285-9 | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless) | 6395 | COLUMBIA | NOCLLIKNOWN | 09/07/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |