Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 713 [Rate centres in NPA 713] [Dial plan for NPA 713]

NXX: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-531 A Houston Suburban TX HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
713-531 0 Houston Suburban TX   9533 SOUTHWESTERN BELL 560   2007-12-17   
713-531 1 Houston Suburban TX   9533 SOUTHWESTERN BELL 560   2007-12-17   
713-531 2 Houston Suburban TX   9533 SOUTHWESTERN BELL 560   2007-12-17   
713-531 3 Houston Suburban TX   9533 SOUTHWESTERN BELL 560   2007-12-17   
713-531 4 Houston Suburban TX   9533 SOUTHWESTERN BELL 560   2007-12-17   
713-531 5 Houston Suburban TX   9533 SOUTHWESTERN BELL 560   2007-12-17   
713-531 6 Houston Suburban TX   9533 SOUTHWESTERN BELL 560   2007-12-17   
713-531 7 Houston Suburban TX   9533 SOUTHWESTERN BELL 560   2007-12-17   
713-531 8 Houston Suburban TX   9533 SOUTHWESTERN BELL 560   2007-12-17   
713-531 9 Houston Suburban TX   9533 SOUTHWESTERN BELL 560   2007-12-17   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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