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: 4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
406-283 A Libby MT LBBYMTXCDS0  960      
406-283 2 Libby MT LBBYMTXCDS0  960      
406-283 6 Libby MT LBBYMTXCDS0  960      
406-283 7 Libby MT LBBYMTXCDS0  960      
406-293 A Libby MT LBBYMTXCDS0  960      
406-293 0 Libby MT LBBYMTXCDS0  960      
406-293 2 Libby MT LBBYMTXCDS0  960      
406-293 3 Libby MT LBBYMTXCDS0  960      
406-293 4 Libby MT LBBYMTXCDS0  960      
406-293 5 Libby MT LBBYMTXCDS0  960      
406-293 6 Libby MT LBBYMTXCDS0  960      
406-293 7 Libby MT LBBYMTXCDS0  960      
406-293 8 Libby MT LBBYMTXCDS0  960      
406-293 9 Libby MT LBBYMTXCDS0  960      
406-295 A Troy MT TROYMTXCDS1  960      
406-295 4 Troy MT TROYMTXCDS1  960      
406-295 5 Troy MT TROYMTXCDS1  960      
406-295 7 Troy MT TROYMTXCDS1  960      
406-295 9 Troy MT TROYMTXCDS1  960      
406-296 A Eureka MT EURKMTXCRS0  960      
406-296 0 Eureka MT EURKMTXCRS0  960      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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