Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]

NXX: 763

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-763 A Detroit Zone 5 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-763 0 Detroit Zone 5 MI   543C ONVOY, LLCV - MI 340   2020-11-02   
313-763 1 Detroit Zone 5 MI   543C ONVOY, LLCV - MI 340   2020-11-02   
313-763 2 Detroit Zone 5 MI   543C ONVOY, LLCV - MI 340   2020-11-02   
313-763 3 Detroit Zone 5 MI   543C ONVOY, LLCV - MI 340   2020-11-02   
313-763 4 Detroit Zone 5 MI   543C ONVOY, LLCV - MI 340   2020-11-02   
313-763 5 Detroit Zone 5 MI   543C ONVOY, LLCV - MI 340   2020-11-02   
313-763 6 Detroit Zone 5 MI   543C ONVOY, LLCV - MI 340   2020-11-02   
313-763 7 Detroit Zone 5 MI   543C ONVOY, LLCV - MI 340   2020-11-02   
313-763 8 Detroit Zone 5 MI   543C ONVOY, LLCV - MI 340   2020-11-02   
313-763 9 Detroit Zone 5 MI   543C ONVOY, LLCV - MI 340   2020-11-02   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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