Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 715 [Rate centres in NPA 715] [Dial plan for NPA 715]

NXX: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
715-621 A Presque Isle WI WAUSWIXAOMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
715-621 0 Presque Isle WI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
715-621 1 Presque Isle WI   766H INTEGRATED PATH COMMUNICATIONS, LLC - WI 350   2018-07-12   
715-621 2 Presque Isle WI   225C ONVOY, LLC - WI 350   2024-03-25   
715-621 7 Presque Isle WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350   2014-11-24   
715-621 9 Presque Isle WI   624H ONVOY SPECTRUM, LLC 350   2024-06-27   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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