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.

OCN: 321J HD CARRIER LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
202-920 A Washington Zone 1 DC WASHDCSWNMD  236      
202-920 9 Washington Zone 1 DC WASHDCSWNMD  236   2019-03-30   
202-949 A Washington Zone 1 DC WASHDCSWPMD  236      
202-949 9 Washington Zone 1 DC WASHDCSWPMD  236   2020-03-16   
202-968 A Washington Zone 1 DC WASHDCSWNMD  236      
202-968 8 Washington Zone 1 DC WASHDCSWNMD  236   2020-12-05   
202-968 9 Washington Zone 1 DC WASHDCSWNMD  236   2020-12-05   
205-825 A Birmingham AL BRHMALMTY5X  476      
205-825 9 Birmingham AL BRHMALMTY5X  476   2019-03-11   
205-885 A Ashville AL BRHMALMTYVX  476      
205-885 9 Ashville AL BRHMALMTYVX  476   2020-02-09   
205-946 6 Birmingham AL BRHMALMTY5X  476   2020-04-25   
206-460 7 Des Moines WA EVRTWAXAXVX  674   2016-05-21   
206-606 0 Seattle WA EVRTWAXAXVX  674   2016-05-21   
206-806 A Seattle WA STTLWAWB18Z  674      
206-806 9 Seattle WA STTLWAWB18Z  674   2019-06-07   
208-593 A Boise ID BOISIDPZAMD  652      
208-593 8 Boise ID BOISIDPZAMD  652   2020-08-01   
208-593 9 Boise ID BOISIDPZAMD  652   2020-08-01   
208-825 8 Twin Falls ID BOISIDPZAMD  652   2020-12-05   
209-399 A Manteca CA MNTCCAXGSMD  738      
209-399 9 Manteca CA MNTCCAXGSMD  738   2019-11-23   
209-440 4 Snelling CA   738   2016-06-02   
209-440 5 Snelling CA   738   2016-06-02   
209-440 6 Snelling CA   738   2016-06-02   
209-440 8 Snelling CA   738   2016-06-02   
209-440 9 Snelling CA   738   2016-06-02   
209-563 3 Snelling CA   738   2016-06-02   
210-940 A San Antonio TX SNANTXCA86Z  566      
210-940 9 San Antonio TX SNANTXCA86Z  566   2020-04-12   
213-205 9 Los Angeles: DA 07 CA   730   2016-06-02   
213-274 7 Los Angeles: DA 01 CA   730   2016-06-02   
213-274 8 Los Angeles: DA 01 CA   730   2016-06-02   
213-274 9 Los Angeles: DA 01 CA   730   2016-06-02   
213-699 8 Los Angeles: DA 07 CA   730   2016-06-02   
223-240 A Harrisburg City Zone-1 PA HRBGPAGU8MD  226      
223-240 8 Harrisburg City Zone-1 PA HRBGPAGU8MD  226   2020-11-22   
223-240 9 Harrisburg City Zone-1 PA HRBGPAGU8MD  226   2020-11-22   
223-256 A Dillsburg PA   226   2021-05-29   
223-256 8 Dillsburg PA   226   2021-05-29   
223-256 9 Dillsburg PA   226   2021-05-29   
228-338 A Biloxi MS BILXMSAT8MD  484      
228-338 8 Biloxi MS BILXMSAT8MD  484   2020-07-19   
228-338 9 Biloxi MS BILXMSAT8MD  484   2020-07-19   
231-293 A Frankfort MI   348   2021-07-05   
231-293 9 Frankfort MI   348   2021-07-05   
234-279 A Akron OH AKRNOH2533Z  325      
234-279 8 Akron OH AKRNOH2533Z  325   2020-09-25   
234-279 9 Akron OH AKRNOH2533Z  325   2020-09-25   
239-328 A Fort Myers FL FTMYFL027MD  93902      

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Last updated: Fri, 10 Sep 2021 12:38:21 UTC

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