Local Calling Guide

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NPA: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-730 8 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-730 9 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-731 A Detroit Zone 3 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-731 0 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-731 1 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-731 2 Detroit Zone 3 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2009-03-07   
313-731 3 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-05-06   
313-731 4 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-05-06   
313-731 5 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-05-06   
313-731 6 Detroit Zone 3 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2008-07-25   
313-731 7 Detroit Zone 3 MI   516C AT&T CORP. 340   2006-06-30   
313-731 8 Detroit Zone 3 MI   829J PAETEC ITEL, LLC 340   2006-04-03   
313-731 9 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-732 A Detroit Zone 2 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-732 0 Detroit Zone 2 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-27   
313-732 1 Detroit Zone 2 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-10-21   
313-732 2 Detroit Zone 2 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-27   
313-732 3 Detroit Zone 2 MI   321J HD CARRIER LLC 340   2025-11-03   
313-732 4 Detroit Zone 2 MI   829J PAETEC ITEL, LLC 340   2005-12-12   
313-732 5 Detroit Zone 2 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-05-20   
313-732 6 Detroit Zone 2 MI   508J CENTURYLINK COMMUNICATIONS, LLC 340   2014-04-04   
313-732 7 Detroit Zone 2 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-05-20   
313-732 8 Detroit Zone 2 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-10-21   
313-732 9 Detroit Zone 2 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-733 A Detroit Zone 3 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-733 0 Detroit Zone 3 MI   2550 123.NET, LLC 340   2008-03-13   
313-733 1 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-733 2 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2006-07-06   
313-733 3 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-733 4 Detroit Zone 3 MI   318J COMCAST IP PHONE, LLC 340   2007-07-24   
313-733 5 Detroit Zone 3 MI   829J PAETEC ITEL, LLC 340   2007-09-26   
313-733 6 Detroit Zone 3 MI   318J COMCAST IP PHONE, LLC 340   2007-07-24   
313-733 7 Detroit Zone 3 MI   5562 METROPCS, INC. 340   2006-07-22   
313-733 8 Detroit Zone 3 MI   318J COMCAST IP PHONE, LLC 340   2007-08-10   
313-733 9 Detroit Zone 3 MI   543C ONVOY, LLCV - MI 340   2020-09-12   
313-734 A Detroit Zone 1 MI   5562 METROPCS, INC. 340   2025-04-27   
313-734 0 Detroit Zone 1 MI   543C ONVOY, LLCV - MI 340   2025-06-19   
313-734 5 Detroit Zone 1 MI   5562 METROPCS, INC. 340   2025-04-27   
313-734 7 Detroit Zone 1 MI   5562 METROPCS, INC. 340   2025-04-27   
313-734 8 Detroit Zone 1 MI   5562 METROPCS, INC. 340   2025-04-27   
313-734 9 Detroit Zone 1 MI   5562 METROPCS, INC. 340   2025-04-27   
313-735 A Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-11-16   
313-735 0 Detroit Zone 5 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-12-11   
313-735 1 Detroit Zone 5 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-12-11   
313-735 2 Detroit Zone 5 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-12-11   
313-735 3 Detroit Zone 5 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-12-11   
313-735 4 Detroit Zone 5 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-12-11   
313-735 5 Detroit Zone 5 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-12-11   
313-735 6 Detroit Zone 5 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-11-16   
313-735 7 Detroit Zone 5 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-11-16   

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

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