Local Calling Guide

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NPA: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-300 A Cooper TX COPRTXAI1MD  4042 CUMBY TELEPHONE COOPERATIVE, INC. 552      
903-300 0 Cooper TX   903C ONVOY, LLC - TX 552   2016-04-11   
903-300 1 Cooper TX   903C ONVOY, LLC - TX 552   2016-04-11   
903-300 2 Cooper TX   903C ONVOY, LLC - TX 552   2020-08-21   
903-300 3 Cooper TX   4042 CUMBY TELEPHONE COOPERATIVE, INC. 552   2004-12-18   
903-300 4 Cooper TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2017-12-04   
903-300 5 Cooper TX   903C ONVOY, LLC - TX 552   2020-08-21   
903-300 6 Cooper TX   903C ONVOY, LLC - TX 552   2020-08-21   
903-300 7 Cooper TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2014-05-14   
903-300 8 Cooper TX   903C ONVOY, LLC - TX 552   2020-11-23   
903-300 9 Cooper TX   903C ONVOY, LLC - TX 552   2020-11-23   

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

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