Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 992

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-992 A Chandler TX ATHNTXXATMD  903C ONVOY, LLC - TX 552      
903-992 1 Chandler TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2022-10-27   
903-992 2 Chandler TX ATHNTXXATMD  903C ONVOY, LLC - TX 552   2021-03-07   
903-992 3 Chandler TX ATHNTXXATMD  903C ONVOY, LLC - TX 552   2021-03-07   
903-992 4 Chandler TX   793K TWC IP ENABLED SERVICES, LLC 552   2023-12-17   
903-992 5 Chandler TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2022-05-10   
903-992 6 Chandler TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2025-04-22   
903-992 9 Chandler TX   145J TERRA NOVA TELECOM INC. 552   2025-08-15   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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