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: 359

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-359 A Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-359 0 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-359 1 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-359 2 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-359 3 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-359 4 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-359 5 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-359 6 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-359 7 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-359 8 Detroit Zone 6 MI   9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
313-359 9 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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