Local Calling Guide

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NPA: 281 [Rate centres in NPA 281] [Dial plan for NPA 281]

NXX: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-399 A Splendora EMS TX SPLDTXSPDS0  9533 SOUTHWESTERN BELL 560      
281-399 0 Splendora EMS TX   9533 SOUTHWESTERN BELL 560      
281-399 1 Splendora EMS TX   9533 SOUTHWESTERN BELL 560      
281-399 2 Splendora EMS TX   9533 SOUTHWESTERN BELL 560      
281-399 3 Splendora EMS TX   318J COMCAST IP PHONE, LLC 560   2020-08-31   
281-399 4 Splendora EMS TX   903C ONVOY, LLC - TX 560   2014-10-21   
281-399 5 Splendora EMS TX   903C ONVOY, LLC - TX 560   2014-10-21   
281-399 6 Splendora EMS TX   7399 WESTEL, INC. - TX 560   2009-07-12   
281-399 7 Splendora EMS TX   318C CEBRIDGE TELECOM TX , L.P. - TX 560   2009-07-28   
281-399 8 Splendora EMS TX   9533 SOUTHWESTERN BELL 560      
281-399 9 Splendora EMS TX   9533 SOUTHWESTERN BELL 560      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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