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
202-443 1 Washington Zone 1 DC   236   2020-06-11   
202-740 9 Washington Zone 1 DC   236   2014-02-11   
202-773 A Washington Zone 1 DC   236   2020-08-23   
202-773 1 Washington Zone 1 DC   236   2020-08-23   
202-773 2 Washington Zone 1 DC   236   2020-08-23   
202-773 3 Washington Zone 1 DC   236   2020-08-23   
202-831 A Washington Zone 1 DC   236      
202-831 1 Washington Zone 1 DC   236   2013-07-21   
202-840 8 Washington Zone 1 DC   236   2016-04-01   
202-866 1 Washington Zone 1 DC   236   2016-08-31   
202-866 2 Washington Zone 1 DC   236   2016-08-31   
202-866 3 Washington Zone 1 DC   236   2016-08-31   
202-866 4 Washington Zone 1 DC   236   2016-08-31   
202-866 5 Washington Zone 1 DC   236   2016-08-31   
202-890 1 Washington Zone 1 DC   236   2018-07-31   
202-891 4 Washington Zone 1 DC   236   2018-11-12   
202-891 5 Washington Zone 1 DC   236   2018-11-12   
202-963 3 Washington Zone 1 DC   236   2020-05-29   
202-963 4 Washington Zone 1 DC   236   2020-05-29   
202-963 5 Washington Zone 1 DC   236   2020-05-29   
202-963 6 Washington Zone 1 DC   236   2020-05-29   
202-963 7 Washington Zone 1 DC   236   2020-05-29   
205-732 A Birmingham AL   476      
205-732 1 Birmingham AL   476   2013-04-06   
206-471 7 Seattle WA   674   2016-04-12   
206-643 A Seattle WA STTLWA06XBX  674   2012-02-09   
208-202 A Boise ID   652   2018-04-04   
208-202 1 Boise ID   652   2018-04-04   
208-501 A Boise ID BOISIDMAJMD  652   2012-12-19   
208-501 1 Boise ID   652   2012-12-19   
208-956 7 Coeur D'Alene ID   960   2018-02-28   
208-967 A Coeur D'Alene ID   960      
208-967 1 Coeur D'Alene ID   960   2013-05-08   
209-323 A Stockton CA   738      
209-323 1 Stockton CA   738   2013-01-07   
210-712 A San Antonio TX   566   2013-02-15   
210-712 1 San Antonio TX   566   2013-02-15   
213-806 A Los Angeles: DA 01 CA   730      
213-806 1 Los Angeles: DA 01 CA   730   2013-01-06   
215-201 4 Philadelphia Zone 1 PA   228   2018-07-28   
215-440 6 Philadelphia Zone 1 PA   228   2017-06-07   
215-585 2 Philadelphia Zone 1 PA   228   2017-06-07   
216-301 A Cleveland OH   320   2013-01-25   
216-301 1 Cleveland OH   320   2013-01-25   
217-610 A Springfield IL   374      
217-610 1 Springfield IL   374   2013-05-08   
217-869 A Jacksonville IL   376      
217-869 1 Jacksonville IL   376   2013-05-18   
217-869 8 Jacksonville IL   376   2018-02-28   
217-904 A Champaign-Urbana IL   370      

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Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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