Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 812 [Rate centres in NPA 812] [Dial plan for NPA 812]

NXX: 370

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
812-370 A St Joseph IN EVVLIN03XAX  516C AT&T CORP. 330      
812-370 0 St Joseph IN   4803 LEVEL 3 COMMUNICATIONS, LLC - IN 330   2013-05-27   
812-370 1 St Joseph IN   4803 LEVEL 3 COMMUNICATIONS, LLC - IN 330   2015-06-11   
812-370 2 St Joseph IN   097D ONVOY, LLC - IN 330   2020-11-14   
812-370 3 St Joseph IN   793K TWC IP ENABLED SERVICES, LLC 330   2012-11-16   
812-370 4 St Joseph IN   097D ONVOY, LLC - IN 330   2016-04-11   
812-370 5 St Joseph IN   097D ONVOY, LLC - IN 330   2016-04-11   
812-370 6 St Joseph IN   508J CENTURYLINK COMMUNICATIONS, LLC 330   2016-09-21   
812-370 7 St Joseph IN   516C AT&T CORP. 330   2011-09-28   
812-370 8 St Joseph IN   097D ONVOY, LLC - IN 330   2018-09-14   
812-370 9 St Joseph IN   073H TELNYX LLC 330   2020-07-12   

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

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