Local Calling Guide

Area code/prefix search

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

NXX: 627

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-627 A Chicago Zone 08-Portsmouth IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
773-627 0 Chicago Zone 08-Portsmouth IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-12-15   
773-627 1 Chicago Zone 08-Portsmouth IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-05-28   
773-627 2 Chicago Zone 08-Portsmouth IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-05-28   
773-627 3 Chicago Zone 08-Portsmouth IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-05-28   
773-627 4 Chicago Zone 08-Portsmouth IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-05-28   
773-627 5 Chicago Zone 08-Portsmouth IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
773-627 6 Chicago Zone 08-Portsmouth IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-05-28   
773-627 7 Chicago Zone 08-Portsmouth IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-05-28   
773-627 8 Chicago Zone 08-Portsmouth IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-20   
773-627 9 Chicago Zone 08-Portsmouth IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-07-03   

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

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