Local Calling Guide

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

NXX: 537

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-537 A Chicago Zone 04-Humboldt IL   460K FIRST COMMUNICATIONS, LLC 358      
773-537 0 Chicago Zone 04-Humboldt IL   460K FIRST COMMUNICATIONS, LLC 358      
773-537 1 Chicago Zone 04-Humboldt IL   460K FIRST COMMUNICATIONS, LLC 358      
773-537 2 Chicago Zone 04-Humboldt IL   460K FIRST COMMUNICATIONS, LLC 358      
773-537 3 Chicago Zone 04-Humboldt IL   460K FIRST COMMUNICATIONS, LLC 358      
773-537 4 Chicago Zone 04-Humboldt IL CHCGIL24DS6  224C ONVOY, LLC 358      
773-537 5 Chicago Zone 04-Humboldt IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358      
773-537 6 Chicago Zone 04-Humboldt IL   460K FIRST COMMUNICATIONS, LLC 358      
773-537 7 Chicago Zone 04-Humboldt IL   460K FIRST COMMUNICATIONS, LLC 358      
773-537 8 Chicago Zone 04-Humboldt IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358      
773-537 9 Chicago Zone 04-Humboldt IL   460K FIRST COMMUNICATIONS, LLC 358      

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

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