Local Calling Guide
Area code/prefix search
NPA: 281 [Rate centres in NPA 281] [Dial plan for NPA 281]
NXX: 257
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
281-257 | A | Tomball | TX | TBLLTXKLDS0 | 9533 SOUTHWESTERN BELL | 560 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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