Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 537

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-537 A Atlas TX DLLSTXHM0MD  829J PAETEC ITEL, LLC 552   2025-01-23   
817-537 0 Atlas TX   829J PAETEC ITEL, LLC 552      
817-537 2 Atlas TX   516C AT&T CORP. 552   2006-05-02   
817-537 3 Atlas TX   903C ONVOY, LLC - TX 552   2021-02-14   
817-537 5 Atlas TX   829J PAETEC ITEL, LLC 552      
817-537 7 Atlas TX   829J PAETEC ITEL, LLC 552      
817-537 9 Atlas TX   829J PAETEC ITEL, LLC 552      

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

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