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: 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   
210-940 A San Antonio TX SNANTXCA86Z  566      
210-940 9 San Antonio TX SNANTXCA86Z  566   2020-04-12   
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   
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   
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      
239-328 8 Fort Myers FL FTMYFL027MD  93902   2020-09-14   
239-328 9 Fort Myers FL FTMYFL027MD  93902   2020-09-14   
240-570 0 Ashton (Baltimore LATA) MD BLTMMDCHXVX  238   2016-05-14   
240-570 1 Ashton (Baltimore LATA) MD BLTMMDCHXVX  238   2016-05-14   
240-570 2 Ashton (Baltimore LATA) MD BLTMMDCHXVX  238   2016-05-14   
240-570 3 Ashton (Baltimore LATA) MD BLTMMDCHXVX  238   2016-05-14   
240-570 4 Ashton (Baltimore LATA) MD BLTMMDCHXVX  238   2016-05-14   
240-570 5 Ashton (Baltimore LATA) MD BLTMMDCHXVX  238   2016-05-14   
240-730 A Hagerstown MD HGTWMD53DMD  240      
240-730 8 Hagerstown MD HGTWMD53DMD  240   2020-10-09   
240-730 9 Hagerstown MD HGTWMD53DMD  240   2020-10-09   
253-257 3 Tacoma-Waverly WA EVRTWAXAXVX  674   2016-09-11   
253-257 4 Tacoma-Waverly WA EVRTWAXAXVX  674   2016-09-11   
253-392 3 Tacoma-Waverly WA EVRTWAXAXVX  674   2016-04-28   
253-480 8 Kent WA EVRTWAXAXVX  674   2016-05-21   
253-993 3 Tacoma-Waverly WA EVRTWAXAXVX  674   2019-09-15   

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Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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