Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 262 [Rate centres in NPA 262] [Dial plan for NPA 262]

NXX: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
262-397 A Hartford WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
262-397 0 Hartford WI   145J TERRA NOVA TELECOM INC. 356   2025-08-16   
262-397 1 Hartford WI   624H ONVOY SPECTRUM, LLC 356   2021-12-05   
262-397 2 Hartford WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
262-397 4 Hartford WI   073H TELNYX LLC 356   2017-04-24   
262-397 5 Hartford WI   6274 UNITED STATES CELLULAR - WI 356   2012-10-22   
262-397 6 Hartford WI   6274 UNITED STATES CELLULAR - WI 356   2006-11-12   
262-397 7 Hartford WI   6274 UNITED STATES CELLULAR - WI 356   2009-06-01   
262-397 8 Hartford WI   792K CHARTER IP ENABLED SERVICES, LLC 356   2007-03-05   
262-397 9 Hartford WI   007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-12-18   

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

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