Local Calling Guide
Area code/prefix search
NPA: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]
NXX: 271
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
256-271 | A | Huntsville | AL | HNVIALMTQMD | 6630 USA MOBILITY WIRELESS, INC. | 477 | 2024-01-16 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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