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: 732J NUSO, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
585-651 A East Rochester NY ROCHNYEIDMD  974      
585-651 1 East Rochester NY ROCHNYEIDMD  974   2023-01-13   
585-668 A Fairport NY ROCHNYCT5MD  974      
585-668 1 Fairport NY ROCHNYCT5MD  974   2023-05-14   
585-998 2 Rochester NY   974   2025-05-29   
601-387 1 Jackson MS   482   2025-06-28   
601-387 8 Jackson MS   482   2025-06-28   
602-399 8 Phoenix AZ PHNXAZMAX8Z  666   2024-08-16   
603-698 A Manchester NH MNCHNHNIX0X  122      
603-698 1 Manchester NH MNCHNHNIX0X  122   2023-10-14   
603-699 A Nashua NH MNCHNHNIZMD  122      
603-699 1 Nashua NH MNCHNHNIZMD  122   2023-10-14   
603-884 2 Nashua NH   122   2025-03-17   
605-513 A Rapid City SD SXFLSDCHDMD  640      
605-513 1 Rapid City SD SXFLSDCHDMD  640   2023-04-03   
605-513 2 Rapid City SD SXFLSDCHDMD  640   2024-01-06   
605-513 4 Rapid City SD SXFLSDCHDMD  640   2024-01-06   
605-809 A Sioux Falls SD SXFLSDCHLMD  640      
605-809 9 Sioux Falls SD SXFLSDCHLMD  640   2023-10-06   
607-416 A Endicott NY BNGHNYHYXQY  138      
607-416 1 Endicott NY BNGHNYHYXQY  138   2022-10-09   
607-420 A Binghamton NY BNGHNYCX5MD  138      
607-420 1 Binghamton NY BNGHNYCX5MD  138   2023-05-14   
607-420 2 Binghamton NY   138   2025-05-10   
607-420 3 Binghamton NY   138   2025-05-15   
607-757 8 Endicott NY BNGHNYHYXQY  138   2023-12-07   
608-299 5 Beloit WI   354   2015-01-23   
608-608 4 Madison WI SGTNWI11AMD  354   2024-11-11   
608-608 5 Madison WI SGTNWI11AMD  354   2024-11-11   
608-730 4 Stoughton WI SGTNWI11AMD  354   2024-10-14   
608-870 A Stoughton WI SGTNWI11AMD  354      
608-870 1 Stoughton WI SGTNWI11AMD  354   2023-04-09   
608-870 9 Stoughton WI SGTNWI11AMD  354   2024-11-24   
608-893 A Madison WI MDSNWIADX8X  354      
608-893 1 Madison WI MDSNWIADX8X  354   2023-04-01   
608-904 4 Beloit WI SGTNWI11AMD  354   2024-09-29   
608-910 7 Madison WI MDSNWIADX8X  354   2024-06-23   
608-910 9 Madison WI MDSNWIADX8X  354   2024-06-23   
609-244 3 Princeton NJ TRENNJTECMD  222   2024-08-19   
609-657 8 Atlantic City NJ HMTNNJHAAMD  220   2024-12-16   
609-728 3 Trenton NJ TRENNJTECMD  222   2025-01-03   
609-874 1 Princeton NJ TRENNJTECMD  222   2024-07-07   
609-983 2 Atlantic City NJ HMTNNJHAAMD  220   2024-12-02   
612-495 A Twin Cities MN PLMOMNBN0MD  628      
612-495 1 Twin Cities MN PLMOMNBN0MD  628   2023-04-03   
612-556 0 Twin Cities MN GLCOMNXGAMD  628   2024-12-23   
612-556 1 Twin Cities MN GLCOMNXGAMD  628   2024-12-23   
614-612 5 Alton OH CLMBOH1167Z  324   2024-09-23   
616-367 A Grand Rapids MI GDRPMIBL56Z  348      
616-367 2 Grand Rapids MI GDRPMIBL56Z  348   2022-11-05   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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