Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 581 [Rate centres in NPA 581] [Dial plan for NPA 581]

NXX: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
581-556 A Disraeli QC DSRLPQXT0MD  8239 TELEBEC LIMITED 888 823910    

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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