Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
972-936 0 Dallas TX   552   2018-04-23   
972-936 1 Dallas TX   552   2018-04-23   
972-936 2 Dallas TX   552   2018-04-23   
972-936 3 Dallas TX   552   2018-04-23   
972-936 4 Dallas TX   552   2018-04-23   
972-936 5 Dallas TX   552   2018-04-23   
972-936 6 Dallas TX   552   2018-04-23   
972-936 7 Dallas TX   552   2018-04-23   
972-936 8 Dallas TX   552   2018-04-23   
972-936 9 Dallas TX   552   2018-04-23   
972-940 8 Dallas TX   552   2017-09-08   
972-940 9 Dallas TX   552   2017-09-08   
972-942 A Dallas TX   552   2018-05-28   
972-942 3 Dallas TX   552   2018-05-29   
972-942 6 Dallas TX   552   2018-05-28   
972-942 7 Dallas TX   552   2018-07-16   
972-966 5 Lewisville TX   552   2008-08-18   
972-972 6 Dallas TX   552   2018-01-22   
972-972 7 Dallas TX   552   2018-01-22   
972-987 A Frisco TX DLLBTXPVDS0  552      
972-987 1 Frisco TX   552      
972-987 6 Frisco TX   552      
972-987 8 Frisco TX   552      

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Last updated: Sun, 31 May 2020 11:59:01 UTC

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