Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 838 [Rate centres in NPA 838] [Dial plan for NPA 838]

NXX: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
838-306 A Amsterdam NY   384C ONVOY, LLC- NY 134   2026-06-06   
838-306 0 Amsterdam NY   384C ONVOY, LLC- NY 134   2026-06-06   
838-306 1 Amsterdam NY   155E PEERLESS NETWORK OF NEW YORK, LLC - NY 134   2026-06-08   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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