Local Calling Guide

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

NXX: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-623 A Humble TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-623 0 Humble TX   515J IP HORIZON LLC 560      
281-623 1 Humble TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-623 2 Humble TX HSTDTXBGCM5  5562 METROPCS, INC. 560      
281-623 3 Humble TX HSTDTXBGCM5  5562 METROPCS, INC. 560      
281-623 4 Humble TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-623 5 Humble TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
281-623 6 Humble TX HSTDTXBGCM5  5562 METROPCS, INC. 560      
281-623 7 Humble TX HSTDTXBGCM5  5562 METROPCS, INC. 560      
281-623 8 Humble TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-623 9 Humble TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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