Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 431 [Rate centres in NPA 431] [Dial plan for NPA 431]

NXX: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
431-437 A Oxford House MB THSNMB013MD  2933 BELL WEST, INC. - ON 888 808808    

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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