Local Calling Guide
Area code/prefix search
NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]
NXX: 434
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
571-434 | A | Herndon | VA | HRNDVASTDS0 | 9213 VERIZON VIRGINIA, INC. | 236 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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