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.

OCN: 2116 MUENSTER TELEPHONE CORP. OF TEXAS DBA NORTEX COMM

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
940-637 A Valley View East TX VLVWTXXADS0  552      
940-637 0 Valley View East TX VLVWTXXADS0  552      
940-637 1 Valley View East TX VLVWTXXADS0  552      
940-637 2 Valley View East TX VLVWTXXADS0  552      
940-637 3 Valley View East TX VLVWTXXADS0  552      
940-637 9 Valley View East TX VLVWTXXADS0  552      
940-726 A Valley View TX VLVWTXXADS0  552      
940-727 A Myra TX MNSTTXXADS0  552      
940-727 0 Myra TX MNSTTXXADS0  552      
940-727 5 Myra TX MNSTTXXADS0  552      
940-727 6 Myra TX MNSTTXXADS0  552      
940-727 7 Myra TX MNSTTXXADS0  552      
940-736 A Myra TX MNSTTXXADS0  552      
940-736 2 Myra TX MNSTTXXADS0  552      
940-759 A Muenster TX MNSTTXXADS0  552      
940-768 A Rosston TX MNSTTXXADS0  552      
940-768 0 Rosston TX MNSTTXXADS0  552      
940-768 1 Rosston TX MNSTTXXADS0  552      
940-768 2 Rosston TX MNSTTXXADS0  552      
940-768 3 Rosston TX MNSTTXXADS0  552      
940-768 4 Rosston TX MNSTTXXADS0  552      
940-768 5 Rosston TX MNSTTXXADS0  552      
940-768 6 Rosston TX MNSTTXXADS0  552      
940-768 7 Rosston TX MNSTTXXADS0  552      
940-964 A Forestburg TX MNSTTXXADS0  552      

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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