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: SXCYIAAT7MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
402-241 9 South Sioux City NE 358E YMAX COMMUNICATIONS CORP. - NE 630   2008-09-08   
402-404 5 South Sioux City NE 358E YMAX COMMUNICATIONS CORP. - NE 630   2008-09-08   
402-404 6 South Sioux City NE 358E YMAX COMMUNICATIONS CORP. - NE 630   2008-09-08   
402-987 5 South Sioux City NE 358E YMAX COMMUNICATIONS CORP. - NE 630   2008-09-08   
605-540 6 North Sioux City SD 365E YMAX COMMUNICATIONS CORP. - SD 630   2008-09-08   
605-540 7 North Sioux City SD 365E YMAX COMMUNICATIONS CORP. - SD 630   2008-09-08   
605-540 8 North Sioux City SD 365E YMAX COMMUNICATIONS CORP. - SD 630   2008-09-08   
605-540 9 North Sioux City SD 365E YMAX COMMUNICATIONS CORP. - SD 630   2008-09-08   
712-587 A Sioux City IA 353E YMAX COMMUNICATIONS CORP. - IA 630      
712-587 0 Sioux City IA 353E YMAX COMMUNICATIONS CORP. - IA 630   2008-07-26   
712-587 1 Sioux City IA 353E YMAX COMMUNICATIONS CORP. - IA 630   2008-07-26   
712-587 2 Sioux City IA 353E YMAX COMMUNICATIONS CORP. - IA 630   2008-07-26   
712-587 3 Sioux City IA 353E YMAX COMMUNICATIONS CORP. - IA 630   2008-07-26   
712-587 4 Sioux City IA 353E YMAX COMMUNICATIONS CORP. - IA 630   2008-07-26   
712-587 5 Sioux City IA 353E YMAX COMMUNICATIONS CORP. - IA 630   2008-07-26   
712-938 7 Merrill IA 353E YMAX COMMUNICATIONS CORP. - IA 630   2008-09-08   
712-938 8 Merrill IA 353E YMAX COMMUNICATIONS CORP. - IA 630   2008-09-08   

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

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