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.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
202-982 A Washington Zone 1 DC   236      
202-982 0 Washington Zone 1 DC   236   2021-06-06   
206-638 A Seattle WA   674   2021-04-23   
206-638 1 Seattle WA   674   2021-04-23   
209-798 A Stockton CA SKTNCA01XNZ  738   2021-01-21   
209-798 1 Stockton CA   738   2021-01-21   
210-948 A San Antonio TX SNANTXDIXJX  566      
210-948 1 San Antonio TX   566   2020-11-19   
213-546 A Los Angeles: DA 06 CA LSANCARCY5X  730   2021-01-16   
213-546 1 Los Angeles: DA 06 CA   730   2021-01-16   
216-353 A Cleveland OH CLEVOHEKMMD  320      
216-353 1 Cleveland OH   320   2020-11-27   
218-578 A Duluth MN   624   2021-05-23   
218-578 1 Duluth MN   624   2021-05-23   
223-259 A Harrisburg City Zone-1 PA   226   2021-03-27   
223-259 1 Harrisburg City Zone-1 PA   226   2021-03-27   
223-266 0 Lancaster PA   226   2021-08-17   
224-218 6 Hampshire IL   358   2021-06-27   
224-272 1 Zion IL   358   2021-06-26   
224-327 1 Libertyville IL   358   2021-06-26   
224-332 1 Lake Forest IL   358   2021-06-27   
224-340 1 Des Plaines IL   358   2021-06-14   
224-341 1 Skokie IL   358   2021-06-13   
224-344 9 Wilmette IL   358   2021-06-27   
224-346 1 Lake Villa IL   358   2021-06-26   
224-350 8 Evanston IL   358   2021-06-13   
224-351 4 Wheeling IL   358   2021-06-27   
224-367 1 Dundee IL   358   2021-06-14   
224-369 1 Waukegan IL   358   2021-06-12   
224-371 9 Grayslake IL   358   2021-06-25   
224-375 1 Algonquin IL   358   2021-06-21   
224-376 0 Fox Lake IL   358   2021-06-27   
224-378 1 Libertyville IL   358   2021-06-14   
224-379 1 Park Ridge IL   358   2021-06-21   
224-452 0 Palatine IL   358   2021-07-07   
224-472 0 Winnetka IL   358   2021-07-07   
224-499 6 Arlington Heights IL   358   2021-06-13   
224-550 1 Elk Grove IL   358   2021-06-14   
224-599 1 Barrington IL   358   2021-06-26   
224-660 1 Glenview IL   358   2021-06-26   
224-732 9 Wauconda IL   358   2021-06-27   
224-744 0 Schiller Park IL   358   2021-06-26   
224-786 8 Highland Park IL   358   2021-06-27   
224-799 1 Northbrook IL   358   2021-06-21   
224-840 8 Elgin IL   358   2021-06-12   
224-850 1 Cary IL   358   2021-06-27   
224-933 7 Round Lake IL   358   2021-06-21   
225-409 A Baton Rouge LA   492   2021-05-23   
225-409 1 Baton Rouge LA   492   2021-05-23   
228-274 A Gulfport MS BILXMSEDXDY  484      

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Last updated: Fri, 23 Jul 2021 12:43:22 UTC

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