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: 855

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-855 A Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-855 0 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2015-01-16   
313-855 1 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2015-01-16   
313-855 2 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2015-01-16   
313-855 3 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2015-01-16   
313-855 4 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2015-01-16   
313-855 5 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2015-03-02   
313-855 6 Detroit Zone 4 MI DTRTMIBASMD  516C AT&T CORP. 340   2015-03-06   
313-855 7 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2015-01-08   
313-855 8 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2015-01-08   
313-855 9 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2015-01-08   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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