| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 410-915 | MD | BALTIMORE-WASHINGTON TELEPHONE (BWT) | 8697 | BALTIMORE | LARLMDEH00T | 10/27/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |
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Last Updated: Sat Jun 14 04:00:26 2025