Local Calling Guide

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NPA: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

NXX: 498

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-498 A Chicago Zone 08-Portsmouth IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-498 0 Chicago Zone 08-Portsmouth IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-498 1 Chicago Zone 08-Portsmouth IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-498 2 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 3 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 4 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 5 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2009-11-14   
773-498 6 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 7 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 8 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 9 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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