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: 490J DISH WIRELESS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
667-536 0 Still Pond MD   242   2026-03-05   
667-536 1 Still Pond MD   242   2026-03-05   
667-576 1 Jarrettsville MD   238   2022-09-08   
667-670 8 Sudlersville MD   242   2022-12-20   
667-743 1 Queenstown MD   242   2023-02-27   
667-788 4 Westminster MD   238   2022-12-20   
669-349 3 San Jose: North DA CA   722   2025-01-11   
669-349 5 San Jose: North DA CA   722   2025-06-07   
669-639 1 Los Gatos CA   722   2023-06-08   
678-254 4 Atlanta Northeast GA   438   2025-01-09   
678-254 5 Atlanta Northeast GA   438   2025-01-09   
678-266 3 Atlanta Northeast GA   438   2025-03-09   
678-266 4 Atlanta Northeast GA   438   2025-04-08   
680-229 A Ontario NY SYRCNY022MD  136      
680-229 9 Ontario NY   136   2023-02-01   
680-230 A Utica NY SYRCNY024MD  136      
680-230 9 Utica NY   136   2022-02-11   
680-240 9 Sempronius NY   136   2023-10-11   
680-242 A Liverpool NY SYRCNY024MD  136      
680-242 8 Liverpool NY   136   2022-07-01   
680-253 1 Fair Haven NY   136   2024-10-10   
680-262 4 Poplar Ridge NY   136   2023-09-29   
680-263 2 Richfield Springs NY   136   2023-09-29   
680-270 3 Weedsport NY   136   2023-09-29   
680-271 A Newark NY SYRCNY024MD  136      
680-271 0 Newark NY   136   2023-07-03   
680-272 1 Seneca Falls NY   136   2025-11-27   
680-272 2 Seneca Falls NY   136   2025-08-15   
680-297 4 Auburn NY   136   2024-06-09   
680-298 3 Herkimer NY   136   2025-09-15   
680-303 A Fayetteville NY SYRCNY024MD  136   2024-07-14   
680-303 0 Fayetteville NY   136   2024-07-14   
680-304 A Rome NY SYRCNY024MD  136   2024-07-14   
680-304 0 Rome NY   136   2024-07-14   
680-499 3 Clyde NY   136   2024-11-07   
680-567 2 Bridgeport NY   136   2024-06-09   
680-599 4 Hamilton NY   136   2023-07-01   
680-690 4 Sackets Harbor NY   136   2023-09-29   
680-788 0 Camden NY   136   2022-12-20   
680-870 1 Little Falls NY   136   2023-07-01   
680-910 6 Syracuse NY   136   2022-03-01   
681-234 2 Charleston Zone 6 WV   254   2025-07-28   
681-240 3 Shepherdstown WV   240   2022-06-16   
681-301 9 Fayetteville WV   254   2024-02-28   
681-304 A Morgantown WV MGTWWVDXBMD  256      
681-304 9 Morgantown WV   256   2023-07-17   
681-379 2 Keyser WV   240   2024-06-14   
681-474 A Beckley WV CHTNWVCE02Z  254      
681-474 9 Beckley WV   254   2023-09-17   
681-476 A Huntington Zone 2 WV CHTNWVCE02Z  254      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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