Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 437 [Rate centres in NPA 437] [Dial plan for NPA 437]

NXX: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
437-500 A Toronto ON TOROONXNXQX  154E IRISTEL INC. - ON 888 805106    

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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