Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: SPRNTXSODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-288 A Spring TX 9533 SOUTHWESTERN BELL 560      
281-323 A Spring EMS TX 9533 SOUTHWESTERN BELL 560      
281-350 A Spring EMS TX 9533 SOUTHWESTERN BELL 560      
281-353 A Spring EMS TX 9533 SOUTHWESTERN BELL 560      
281-355 A Spring EMS TX 9533 SOUTHWESTERN BELL 560      
281-528 A Spring TX 9533 SOUTHWESTERN BELL 560      
281-651 A Spring EMS TX 9533 SOUTHWESTERN BELL 560      
281-825 A Spring EMS TX 9533 SOUTHWESTERN BELL 560      
281-907 A Spring TX 9533 SOUTHWESTERN BELL 560      

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

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