Local Calling Guide

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

NXX: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-331 A Chicago Zone 03-Kildare IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-331 0 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-05-08   
773-331 1 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-05-15   
773-331 2 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-07-26   
773-331 3 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-05-22   
773-331 4 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-05-02   
773-331 5 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-05-09   
773-331 6 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-05-16   
773-331 7 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-05-23   
773-331 8 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-05-31   
773-331 9 Chicago Zone 03-Kildare IL ELGNILOTGT5  5562 METROPCS, INC. 358   2005-04-26   

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

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