Local Calling Guide

Area code/prefix search

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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-420 A Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360      
815-420 0 Rockford IL RCFRILRTTMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 360   2023-09-24   
815-420 1 Rockford IL RCFRILRTX5Y  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 360   2019-08-26   
815-420 2 Rockford IL RCFRILRTXOY  829J PAETEC ITEL, LLC 360   2018-04-13   
815-420 3 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2019-11-17   
815-420 4 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2019-11-17   
815-420 5 Rockford IL RCFRILRCJMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 360      
815-420 6 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2024-01-06   
815-420 7 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2023-04-08   
815-420 8 Rockford IL RCFRILRCJMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 360      
815-420 9 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2023-08-12   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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