Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: HSTNTXLADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-345 A Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-463 A Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-550 A Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-656 A Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-656 0 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-656 2 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-656 3 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-656 7 Langham Creek TX 9533 SOUTHWESTERN BELL 560   2009-02-15   
281-855 A Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-856 A Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-858 A Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-858 0 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-858 1 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-858 4 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-858 5 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-858 6 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-858 7 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-858 8 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-858 9 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-859 A Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-861 A Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-861 0 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-861 6 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-861 7 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-861 8 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
281-861 9 Langham Creek TX 9533 SOUTHWESTERN BELL 560      
832-593 A Langham Creek TX 9533 SOUTHWESTERN BELL 560      
832-593 7 Langham Creek TX 9533 SOUTHWESTERN BELL 560      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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