Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 541 [Rate centres in NPA 541] [Dial plan for NPA 541]

NXX: 457

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-457 A Helix OR HELXORXARS0  2376 HELIX TEL. CO. 672   2024-01-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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