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: 478J NUSO, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
618-403 5 Flora IL OLNYILABWMD  978   2016-04-02   
618-516 5 Fairfield IL OLNYILABWMD  978   2016-03-27   
618-636 A Alton IL COVLILCQXNX  520      
618-636 1 Alton IL COVLILCQXNX  520   2020-10-27   
618-723 5 Noble IL OLNYILABWMD  978   2016-03-27   
618-895 5 Wayne City IL OLNYILABWMD  978   2016-03-27   
618-908 5 Alton IL COVLILCQXNX  520   2023-12-03   
620-406 A Treece KS TULSOKTBXIZ  538      
620-406 1 Treece KS TULSOKTBXIZ  538   2020-10-27   
620-406 3 Treece KS TULSOKTBXIZ  538   2023-12-22   
629-243 A Nashville TN NSVLTNMTYOZ  470      
629-243 1 Nashville TN NSVLTNMTYOZ  470   2020-10-17   
645-333 4 Miami FL MIAMFLGR88Z  46017   2024-01-09   
645-333 5 Miami FL MIAMFLGR88Z  46017   2024-01-09   
656-228 6 Tampa Central FL TAMPFLXAX5X  952   2023-11-27   
656-228 7 Tampa Central FL TAMPFLXAX5X  952   2023-11-27   
659-202 3 Birmingham AL   476   2024-01-23   
659-208 A Birmingham AL BRHMALMTYDX  476      
659-208 1 Birmingham AL BRHMALMTYDX  476   2020-11-19   
662-676 6 Red Bay MS HNVIALUNX9Z  477   2020-10-16   
662-856 A Memphis MS MMPHTNMAYNX  468      
662-856 1 Memphis MS MMPHTNMAYNX  468   2020-10-27   
667-287 A Bishopville MD SLBRMDSBX0Y  242      
667-287 1 Bishopville MD SLBRMDSBX0Y  242   2020-10-27   
681-283 1 Martinsburg WV FRDRMDFRXUX  240   2021-06-07   
681-327 A Wheeling Zone 1 WV MGTWWVFYUMD  256      
681-327 1 Wheeling Zone 1 WV MGTWWVFYUMD  256   2020-10-30   
681-513 4 Martinsburg WV FRDRMDFRXUX  240   2024-01-05   
681-513 5 Martinsburg WV FRDRMDFRXUX  240   2024-01-05   
682-339 A Keller TX DLLSTXRIXHZ  552      
682-339 1 Keller TX DLLSTXRIXHZ  552   2021-01-24   
682-339 3 Keller TX DLLSTXRIXHZ  552   2023-11-26   
682-350 1 Fort Worth TX DLLSTXRIXHZ  552   2016-06-20   
689-223 A Orlando FL ORLDFLMAYRX  45806      
689-223 1 Orlando FL ORLDFLMAYRX  45806   2020-10-27   
689-686 1 Orlando FL ORLDFLMAYRX  45806   2023-11-27   
689-686 2 Orlando FL ORLDFLMAYRX  45806   2023-11-27   
701-503 A North McIntosh ND SXFLSDCOXUX  640      
701-503 1 North McIntosh ND SXFLSDCOXUX  640   2020-10-27   
701-505 A East Sidney ND BLNGMT93AMD  650      
701-505 1 East Sidney ND BLNGMT93AMD  650   2020-10-29   
701-715 A Fargo ND FARGNDBCXCY  636      
701-715 1 Fargo ND FARGNDBCXCX  636   2012-12-30   
701-715 7 Fargo ND FARGNDBCXCX  636   2018-03-06   
701-979 A Bismarck ND BSMRNDBCXGX  638      
701-979 1 Bismarck ND BSMRNDBCXGX  638   2020-10-26   
715-728 A Eau Claire WI EUCLWIAUBMD  352      
715-728 2 Eau Claire WI EUCLWIAUBMD  352   2022-02-04   
716-305 A Buffalo NY BFLONYFRXBX  140      
716-305 1 Buffalo NY BFLONYFRXBX  140   2020-10-27   

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

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