Local Calling Guide
Area code/prefix search
NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]
NXX: 728
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
571-728 | A | Washington Zone 8 | VA | 114J EXIANT COMMUNICATIONS LLC | 236 | 2025-07-13 | |||
571-728 | 1 | Washington Zone 8 | VA | 114J EXIANT COMMUNICATIONS LLC | 236 | 2025-07-13 | |||
571-728 | 6 | Washington Zone 8 | VA | 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC | 236 | 2025-08-18 | |||
571-728 | 7 | Washington Zone 8 | VA | 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC | 236 | 2025-08-18 |
Last updated: Fri, 25 Jul 2025 03:21:23 UTC
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