Local Calling Guide

Area code/prefix search

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

NXX: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-439 A Chicago Zone 03-Newcastle IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
773-439 0 Chicago Zone 03-Newcastle IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358      
773-439 1 Chicago Zone 03-Newcastle IL   829J PAETEC ITEL, LLC 358      
773-439 2 Chicago Zone 03-Newcastle IL   829J PAETEC ITEL, LLC 358      
773-439 3 Chicago Zone 03-Newcastle IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
773-439 4 Chicago Zone 03-Newcastle IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
773-439 5 Chicago Zone 03-Newcastle IL   829J PAETEC ITEL, LLC 358      
773-439 6 Chicago Zone 03-Newcastle IL   829J PAETEC ITEL, LLC 358      
773-439 7 Chicago Zone 03-Newcastle IL   829J PAETEC ITEL, LLC 358      
773-439 8 Chicago Zone 03-Newcastle IL   829J PAETEC ITEL, LLC 358      
773-439 9 Chicago Zone 03-Newcastle IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358      

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

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