Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 585 [Rate centres in NPA 585] [Dial plan for NPA 585]

NXX: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-378 A Olean NY BFLONYFRX8Y  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 140      
585-378 0 Olean NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 140      
585-378 1 Olean NY   155E PEERLESS NETWORK OF NEW YORK, LLC - NY 140   2016-08-06   
585-378 2 Olean NY   384C ONVOY, LLC- NY 140   2024-03-08   
585-378 3 Olean NY   384C ONVOY, LLC- NY 140   2012-06-02   
585-378 4 Olean NY   384C ONVOY, LLC- NY 140   2016-04-04   
585-378 5 Olean NY   384C ONVOY, LLC- NY 140   2016-04-04   
585-378 6 Olean NY   6959 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 140   2017-09-05   
585-378 7 Olean NY   384C ONVOY, LLC- NY 140   2024-04-12   
585-378 8 Olean NY   073H TELNYX LLC 140   2017-03-14   
585-378 9 Olean NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 140   2014-10-04   

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

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