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: 940

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-940 A Chicago Zone 06-Kedzie IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-940 0 Chicago Zone 06-Kedzie IL   318J COMCAST IP PHONE, LLC 358   2009-01-01   
773-940 1 Chicago Zone 06-Kedzie IL   318J COMCAST IP PHONE, LLC 358   2009-01-01   
773-940 2 Chicago Zone 06-Kedzie IL   318J COMCAST IP PHONE, LLC 358   2009-01-01   
773-940 3 Chicago Zone 06-Kedzie IL   829J PAETEC ITEL, LLC 358   2009-10-22   
773-940 4 Chicago Zone 06-Kedzie IL   224C ONVOY, LLC 358   2010-03-29   
773-940 5 Chicago Zone 06-Kedzie IL   6529 T-MOBILE USA, INC. 358   2010-09-08   
773-940 6 Chicago Zone 06-Kedzie IL   6529 T-MOBILE USA, INC. 358   2009-03-14   
773-940 7 Chicago Zone 06-Kedzie IL   939H COMMIO, LLC 358   2021-08-29   
773-940 8 Chicago Zone 06-Kedzie IL   939H COMMIO, LLC 358   2021-08-29   
773-940 9 Chicago Zone 06-Kedzie IL   939H COMMIO, LLC 358   2021-08-29   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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