Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 260 [Rate centres in NPA 260] [Dial plan for NPA 260]

NXX: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
260-320 A Markle IN FTWYINXAXNX  105F BANDWIDTH.COM CLEC, LLC - IN 334      
260-320 0 Markle IN FTWYINXAXNX  105F BANDWIDTH.COM CLEC, LLC - IN 334   2022-10-21   
260-320 3 Markle IN FTWYIN0124Z  490J DISH WIRELESS, LLC 334   2024-02-28   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.