Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 394

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-394 A Rockford IL RCFRILREDS0  9329 ILLINOIS BELL TEL CO 360      
815-394 0 Rockford IL   9329 ILLINOIS BELL TEL CO 360      
815-394 1 Rockford IL   9329 ILLINOIS BELL TEL CO 360      
815-394 2 Rockford IL   9329 ILLINOIS BELL TEL CO 360      
815-394 3 Rockford IL   9329 ILLINOIS BELL TEL CO 360      
815-394 4 Rockford IL   9329 ILLINOIS BELL TEL CO 360      
815-394 5 Rockford IL   9329 ILLINOIS BELL TEL CO 360      
815-394 6 Rockford IL   9329 ILLINOIS BELL TEL CO 360      
815-394 7 Rockford IL   9329 ILLINOIS BELL TEL CO 360      
815-394 8 Rockford IL   9329 ILLINOIS BELL TEL CO 360      
815-394 9 Rockford IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 360   2010-01-27   

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

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