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: 731

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-731 A Detroit Zone 3 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-731 0 Detroit Zone 3 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-731 1 Detroit Zone 3 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-731 2 Detroit Zone 3 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-731 3 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-731 4 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-731 5 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-731 6 Detroit Zone 3 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-731 7 Detroit Zone 3 MI DTRTMIBASMD  516C AT&T CORP. 340      
313-731 8 Detroit Zone 3 MI   829J PAETEC ITEL, LLC 340      
313-731 9 Detroit Zone 3 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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