Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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
201-524 5 Jersey City NJ   224   2025-12-11   
201-525 9 Hackensack NJ   224   2025-12-29   
201-544 0 Jersey City NJ   224   2025-12-29   
201-544 1 Jersey City NJ   224   2025-12-29   
201-544 2 Jersey City NJ   224   2025-12-29   
201-948 1 Kearny NJ NWRKNJ0298Z  224   2014-05-08   
202-666 1 Washington Zone 1 DC WASHDCSWNMD  236   2021-11-13   
202-666 7 Washington Zone 1 DC WASHDCSWNMD  236   2021-11-13   
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   
203-242 2 Huntington CT   920   2025-08-15   
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 6 Des Moines WA   674   2016-05-21   
206-460 7 Des Moines WA EVRTWAXAXVX  674   2016-05-21   
206-606 0 Seattle WA EVRTWAXAXVX  674   2016-05-21   
206-606 9 Seattle WA   674   2016-05-21   
206-806 A Seattle WA STTLWAWB18Z  674      
206-806 9 Seattle WA STTLWAWB18Z  674   2019-06-07   
207-709 A Yarmouth ME PTLDME02HMD  120      
207-709 9 Yarmouth ME PTLDME02HMD  120   2022-04-01   
208-577 9 Boise ID   652   2025-12-04   
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   
208-779 9 Caldwell ID   652   2025-12-04   
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 MNTCCAXGSMD  738   2016-06-02   
209-440 5 Snelling CA MNTCCAXGSMD  738   2016-06-02   
209-440 6 Snelling CA MNTCCAXGSMD  738   2016-06-02   
209-440 8 Snelling CA MNTCCAXGSMD  738   2016-06-02   
209-440 9 Snelling CA MNTCCAXGSMD  738   2016-06-02   
209-563 3 Snelling CA MNTCCAXGSMD  738   2016-06-02   
209-590 A Snelling CA MNTCCAXGSMD  738      
209-590 0 Snelling CA   738   2016-08-26   
209-590 5 Snelling CA MNTCCAXGSMD  738   2016-08-26   
209-590 6 Snelling CA MNTCCAXGSMD  738   2016-08-26   
209-590 7 Snelling CA MNTCCAXGSMD  738   2016-08-26   
209-590 8 Snelling CA MNTCCAXGSMD  738   2016-08-26   
209-590 9 Snelling CA MNTCCAXGSMD  738   2016-08-26   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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