Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: SFLDMIQJDS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
313-230 1 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 2 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 3 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 5 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 6 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 7 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 9 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-261 9 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2016-06-29   
313-262 A Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-262 0 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-262 1 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-262 2 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-262 3 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-262 4 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-262 5 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-262 8 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-04-25   
313-262 9 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-04-25   
313-263 1 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2004-05-10   
313-263 2 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2004-05-10   
313-286 A Detroit Zone 5 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-286 0 Detroit Zone 5 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-293 6 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-07-19   
313-344 7 Detroit Zone 2 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2006-07-06   
313-347 A Detroit Zone 2 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-347 1 Detroit Zone 2 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-347 4 Detroit Zone 2 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-347 7 Detroit Zone 2 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-347 8 Detroit Zone 2 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-347 9 Detroit Zone 2 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-416 A Detroit Zone 4 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-416 1 Detroit Zone 4 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-416 4 Detroit Zone 4 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-416 6 Detroit Zone 4 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-416 7 Detroit Zone 4 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-422 A Detroit Zone 3 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-422 0 Detroit Zone 3 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-422 1 Detroit Zone 3 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-422 4 Detroit Zone 3 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-422 6 Detroit Zone 3 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-424 4 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2013-01-20   
313-426 3 Detroit Zone 1 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2017-03-18   
313-429 6 Detroit Zone 6 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-07-19   
313-429 7 Detroit Zone 6 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-07-19   
313-429 8 Detroit Zone 6 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-07-19   
313-449 A Detroit Zone 2 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-449 4 Detroit Zone 2 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-450 A Detroit Zone 5 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-450 0 Detroit Zone 5 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-450 1 Detroit Zone 5 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-450 4 Detroit Zone 5 MI 7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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