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| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 443-538 | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc) | N/A | 6855 | COLUMBIA | BLTMMDCH03Z | 06/20/2001 | Prefix Type: PCS Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDCH03Z)) |
