Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 765 [Rate centres in NPA 765] [Dial plan for NPA 765]

NXX: 537

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
765-537 A Paragon IN PRGNIN01RS2  9325 INDIANA BELL TEL CO INC 336      
765-537 0 Paragon IN   4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336   2003-01-22   
765-537 1 Paragon IN   279F PEERLESS NETWORK OF INDIANA, LLC - IN 336   2013-04-27   
765-537 2 Paragon IN   9325 INDIANA BELL TEL CO INC 336      
765-537 3 Paragon IN   097D ONVOY, LLC - IN 336   2012-10-12   
765-537 4 Paragon IN   097D ONVOY, LLC - IN 336   2021-03-15   
765-537 5 Paragon IN   516C AT&T CORP. 336   2010-11-04   
765-537 6 Paragon IN   508J CENTURYLINK COMMUNICATIONS, LLC 336   2014-07-03   
765-537 7 Paragon IN   515J IP HORIZON LLC 336   2013-12-19   
765-537 8 Paragon IN   105F BANDWIDTH.COM CLEC, LLC - IN 336   2008-11-27   
765-537 9 Paragon IN   9325 INDIANA BELL TEL CO INC 336      

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

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