Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

NXX: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-866 A Chicago Zone 02-Irving IL CHCGILIRDS0  9329 ILLINOIS BELL TEL CO 358      
773-866 0 Chicago Zone 02-Irving IL   9329 ILLINOIS BELL TEL CO 358      
773-866 1 Chicago Zone 02-Irving IL   9329 ILLINOIS BELL TEL CO 358      
773-866 2 Chicago Zone 02-Irving IL   9329 ILLINOIS BELL TEL CO 358      
773-866 3 Chicago Zone 02-Irving IL   9329 ILLINOIS BELL TEL CO 358      
773-866 4 Chicago Zone 02-Irving IL   9329 ILLINOIS BELL TEL CO 358      
773-866 5 Chicago Zone 02-Irving IL   9329 ILLINOIS BELL TEL CO 358      
773-866 6 Chicago Zone 02-Irving IL   9329 ILLINOIS BELL TEL CO 358      
773-866 7 Chicago Zone 02-Irving IL   9329 ILLINOIS BELL TEL CO 358      
773-866 8 Chicago Zone 02-Irving IL   9329 ILLINOIS BELL TEL CO 358      
773-866 9 Chicago Zone 02-Irving IL   624H ONVOY SPECTRUM, LLC 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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