Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DTRTMIBHDS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
313-442 4 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-442 5 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-442 8 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-442 9 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-471 A Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-471 2 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-471 3 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-471 5 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-471 6 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-471 7 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-545 A Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-545 0 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2013-11-23   
313-545 1 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2013-11-23   
313-545 2 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2013-11-23   
313-545 3 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2013-11-23   
313-545 4 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2013-11-23   
313-545 5 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2013-11-23   
313-545 6 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2013-11-23   
313-545 7 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2013-11-23   
313-545 8 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2013-11-23   
313-545 9 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2013-11-23   
313-596 A Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-628 A Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-760 A Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-782 A Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-782 0 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2012-07-22   
313-782 7 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2012-07-22   
313-782 8 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2012-07-22   
313-782 9 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340   2012-07-22   
313-877 1 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-877 2 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-961 A Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-963 A Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-964 A Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-965 A Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-967 A Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-983 A Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-983 0 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-983 1 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-983 2 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-983 3 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-983 4 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-983 5 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-983 6 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-983 7 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      
313-983 8 Detroit Zone 1 MI 9323 MICHIGAN BELL TEL CO 340      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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