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
313-564 A Detroit Zone 3 MI RYLOMIMNDS0  9323 AMERITECH MICHIGAN 340      
313-564 0 Detroit Zone 3 MI   279B CLEAR RATE COMMUNICATIONS - CLEC - MI 340   2009-06-04   
313-564 1 Detroit Zone 3 MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340   2009-04-21   
313-564 2 Detroit Zone 3 MI   9323 AMERITECH MICHIGAN 340      
313-564 3 Detroit Zone 3 MI   9323 AMERITECH MICHIGAN 340      
313-564 4 Detroit Zone 3 MI   9323 AMERITECH MICHIGAN 340      
313-564 5 Detroit Zone 3 MI   543C ONVOY, LLC - MI 340   2012-02-21   
313-564 6 Detroit Zone 3 MI   528A FIRST COMMUNICATIONS, LLC - MI 340   2008-09-05   
313-564 7 Detroit Zone 3 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC DBA T-MOBILE USA 340   2010-11-17   
313-564 8 Detroit Zone 3 MI   1200 TALK AMERICA INC. - MI 340   2009-03-23   
313-564 9 Detroit Zone 3 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC DBA T-MOBILE USA 340   2010-11-17   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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