Local Calling Guide

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NPA: 765 [Rate centres in NPA 765] [Dial plan for NPA 765]

NXX: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
765-521 A New Castle IN NWCSIN01DS0  9325 INDIANA BELL TEL CO INC 336      
765-521 0 New Castle IN   9325 INDIANA BELL TEL CO INC 336      
765-521 1 New Castle IN   9325 INDIANA BELL TEL CO INC 336      
765-521 2 New Castle IN   9325 INDIANA BELL TEL CO INC 336      
765-521 3 New Castle IN   9325 INDIANA BELL TEL CO INC 336      
765-521 4 New Castle IN   9325 INDIANA BELL TEL CO INC 336      
765-521 5 New Castle IN   9325 INDIANA BELL TEL CO INC 336      
765-521 6 New Castle IN   9325 INDIANA BELL TEL CO INC 336      
765-521 7 New Castle IN   9325 INDIANA BELL TEL CO INC 336      
765-521 8 New Castle IN   9325 INDIANA BELL TEL CO INC 336      
765-521 9 New Castle IN   145J TERRA NOVA TELECOM INC. 336   2022-12-17   

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

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