Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 630 [Rate centres in NPA 630] [Dial plan for NPA 630]

NXX: 455

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-455 A Hinsdale IL HNDLILHIDS0  9329 ILLINOIS BELL TEL CO 358      
630-455 0 Hinsdale IL HNDLILHIDS0  9329 ILLINOIS BELL TEL CO 358      
630-455 1 Hinsdale IL HNDLILHIDS0  9329 ILLINOIS BELL TEL CO 358      
630-455 2 Hinsdale IL HNDLILHIDS0  9329 ILLINOIS BELL TEL CO 358      
630-455 3 Hinsdale IL HNDLILHIDS0  9329 ILLINOIS BELL TEL CO 358      
630-455 4 Hinsdale IL HNDLILHIDS0  9329 ILLINOIS BELL TEL CO 358      
630-455 5 Hinsdale IL HNDLILHIDS0  9329 ILLINOIS BELL TEL CO 358      
630-455 6 Hinsdale IL HNDLILHIDS0  9329 ILLINOIS BELL TEL CO 358      
630-455 7 Hinsdale IL HNDLILHIDS0  9329 ILLINOIS BELL TEL CO 358      
630-455 8 Hinsdale IL CHCGILWUSMD  145J TERRA NOVA TELECOM INC. 358   2024-09-13   
630-455 9 Hinsdale IL HNDLILHIDS0  9329 ILLINOIS BELL TEL CO 358      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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