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: LMTNTXLMRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
409-751 A Lumberton TX 9533 SOUTHWESTERN BELL 562      
409-751 0 Lumberton TX 9533 SOUTHWESTERN BELL 562      
409-751 1 Lumberton TX 9533 SOUTHWESTERN BELL 562      
409-751 3 Lumberton TX 9533 SOUTHWESTERN BELL 562      
409-751 4 Lumberton TX 9533 SOUTHWESTERN BELL 562      
409-751 6 Lumberton TX 9533 SOUTHWESTERN BELL 562      
409-751 8 Lumberton TX 9533 SOUTHWESTERN BELL 562      
409-751 9 Lumberton TX 9533 SOUTHWESTERN BELL 562      
409-755 A Lumberton TX 9533 SOUTHWESTERN BELL 562      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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