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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-554 A Detroit Zone 6 MI DTRTMIVWDS0  9323 AMERITECH MICHIGAN 340      
313-554 0 Detroit Zone 6 MI   9323 AMERITECH MICHIGAN 340      
313-554 1 Detroit Zone 6 MI   9323 AMERITECH MICHIGAN 340      
313-554 2 Detroit Zone 6 MI   9323 AMERITECH MICHIGAN 340      
313-554 3 Detroit Zone 6 MI   9323 AMERITECH MICHIGAN 340      
313-554 4 Detroit Zone 6 MI   9323 AMERITECH MICHIGAN 340      
313-554 5 Detroit Zone 6 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-05-20   
313-554 6 Detroit Zone 6 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-05-20   
313-554 7 Detroit Zone 6 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-05-20   
313-554 8 Detroit Zone 6 MI   9323 AMERITECH MICHIGAN 340      
313-554 9 Detroit Zone 6 MI   9323 AMERITECH MICHIGAN 340      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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