Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 683 [Rate centres in NPA 683] [Dial plan for NPA 683]

NXX: 488

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
683-488 A Alban ON SDBRON98DMD  4727 ISP TELECOM, INC. 888 805102    

Last updated: Sun, 17 May 2026 03:26:51 UTC

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