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: 332

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-332 A Detroit Zone 2 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-332 0 Detroit Zone 2 MI   318J COMCAST IP PHONE, LLC 340   2005-03-23   
313-332 1 Detroit Zone 2 MI   318J COMCAST IP PHONE, LLC 340   2007-04-01   
313-332 2 Detroit Zone 2 MI   829J PAETEC ITEL, LLC 340   2007-09-11   
313-332 3 Detroit Zone 2 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-11-07   
313-332 4 Detroit Zone 2 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-332 5 Detroit Zone 2 MI   318J COMCAST IP PHONE, LLC 340   2016-12-15   
313-332 6 Detroit Zone 2 MI   961J WOW! INTERNET, CABLE AND PHONE 340   2007-10-04   
313-332 7 Detroit Zone 2 MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2018-05-24   
313-332 8 Detroit Zone 2 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-09-02   
313-332 9 Detroit Zone 2 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-09-02   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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