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: 935

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-935 A Detroit Zone 4 MI DTRTMIHGDS0  9323 MICHIGAN BELL TEL CO 340      
313-935 0 Detroit Zone 4 MI   9323 MICHIGAN BELL TEL CO 340      
313-935 1 Detroit Zone 4 MI   9323 MICHIGAN BELL TEL CO 340      
313-935 2 Detroit Zone 4 MI   9323 MICHIGAN BELL TEL CO 340      
313-935 3 Detroit Zone 4 MI   9323 MICHIGAN BELL TEL CO 340      
313-935 4 Detroit Zone 4 MI   9323 MICHIGAN BELL TEL CO 340      
313-935 5 Detroit Zone 4 MI   9323 MICHIGAN BELL TEL CO 340      
313-935 6 Detroit Zone 4 MI   145J TERRA NOVA TELECOM INC. 340   2021-09-24   
313-935 7 Detroit Zone 4 MI   9323 MICHIGAN BELL TEL CO 340      
313-935 8 Detroit Zone 4 MI   9323 MICHIGAN BELL TEL CO 340      
313-935 9 Detroit Zone 4 MI   9323 MICHIGAN BELL TEL CO 340      

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

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