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.
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OCN: 2134 RIVIERA TEL. CO., INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
361-216 A Armstrong TX ARMSTXXARS0  564      
361-216 0 Armstrong TX ARMSTXXARS0  564      
361-216 1 Armstrong TX ARMSTXXARS0  564      
361-216 2 Armstrong TX ARMSTXXARS0  564      
361-216 3 Armstrong TX ARMSTXXARS0  564      
361-216 5 Armstrong TX ARMSTXXARS0  564      
361-216 6 Armstrong TX ARMSTXXARS0  564      
361-216 7 Armstrong TX ARMSTXXARS0  564      
361-216 8 Armstrong TX ARMSTXXARS0  564      
361-216 9 Armstrong TX ARMSTXXARS0  564      
361-294 A Sarita TX SRTATXXARS0  564      
361-296 A Riviera TX RVRATXXADS0  564      
361-296 0 Riviera TX RVRATXXADS0  564      
361-296 1 Riviera TX RVRATXXADS0  564      
361-296 2 Riviera TX RVRATXXADS0  564      
361-296 3 Riviera TX RVRATXXADS0  564      
361-296 6 Riviera TX RVRATXXADS0  564      
361-296 7 Riviera TX RVRATXXADS0  564      
361-296 8 Riviera TX RVRATXXADS0  564      
361-296 9 Riviera TX RVRATXXADS0  564      
361-297 A Loyola Beach TX LYBHTXXA0MD  564      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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