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
424-350 2 Redondo CA LSANCARCY1X  730   2016-08-27   
424-359 4 Beverly Hills CA LSANCARCY1X  730   2016-06-02   
424-359 5 Beverly Hills CA LSANCARCY1X  730   2016-06-02   
424-359 6 Beverly Hills CA LSANCARCY1X  730   2016-06-02   
424-359 7 Beverly Hills CA LSANCARCY1X  730   2016-06-02   
424-359 8 Beverly Hills CA LSANCARCY1X  730   2016-06-02   
424-365 5 West Los Angeles CA LSANCARCY1X  730   2014-08-16   
424-452 3 Redondo CA LSANCARCY1X  730   2016-08-27   
424-452 4 Redondo CA LSANCARCY1X  730   2016-08-27   
424-452 5 Redondo CA LSANCARCY1X  730   2016-08-27   
424-472 2 Beverly Hills CA LSANCARCY1X  730   2026-05-15   
424-472 3 Beverly Hills CA LSANCARCY1X  730   2026-05-15   
424-550 4 Beverly Hills CA LSANCARCY1X  730   2026-05-15   
424-561 4 Redondo CA LSANCARCY1X  730   2026-05-15   
424-561 5 Redondo CA LSANCARCY1X  730   2026-05-15   
424-561 6 Redondo CA LSANCARCY1X  730   2026-05-15   
425-225 0 Silver Lake WA STTLWAWB18Z  674   2016-09-11   
425-225 9 Silver Lake WA STTLWAWB18Z  674   2016-09-11   
425-230 8 Bellevue WA STTLWAWB18Z  674   2016-05-21   
425-230 9 Bellevue WA STTLWAWB18Z  674   2016-05-21   
425-399 9 Silver Lake WA STTLWAWB18Z  674   2016-05-21   
425-425 3 Everett WA   674   2026-11-16   
425-425 6 Everett WA   674   2026-11-16   
425-436 6 Bellevue WA STTLWAWB18Z  674   2019-09-06   
425-535 A Everett WA STTLWAWB18Z  674      
425-535 9 Everett WA STTLWAWB18Z  674   2018-12-27   
425-585 5 Silver Lake WA STTLWAWB18Z  674   2016-05-21   
425-585 6 Silver Lake WA STTLWAWB18Z  674   2019-05-05   
425-585 7 Silver Lake WA STTLWAWB18Z  674   2019-08-22   
425-666 4 Everett WA STTLWAWB18Z  674   2020-10-08   
425-666 5 Everett WA STTLWAWB18Z  674   2020-10-08   
425-800 1 Bellevue WA STTLWAWB18Z  674   2017-11-05   
425-800 2 Bellevue WA STTLWAWB18Z  674   2017-11-05   
430-450 A Longview TX LGVWTXPLXOY  554   2026-01-22   
430-450 6 Longview TX LGVWTXPLXOY  554   2026-01-22   
430-450 7 Longview TX LGVWTXPLXOY  554   2026-01-22   
430-450 8 Longview TX LGVWTXPLXOY  554   2026-01-22   
430-450 9 Longview TX LGVWTXPLXOY  554   2026-01-22   
432-359 A Odessa TX   542   2026-09-20   
432-359 7 Odessa TX   542   2026-09-20   
432-359 8 Odessa TX   542   2026-09-20   
432-359 9 Odessa TX   542   2026-09-20   
434-291 A Lynchburg VA LYBGVA556MD  250      
434-291 8 Lynchburg VA LYBGVA556MD  250   2020-11-20   
434-291 9 Lynchburg VA LYBGVA556MD  250   2020-11-20   
434-357 3 Lynchburg VA   250   2026-09-12   
434-357 4 Lynchburg VA   250   2026-09-12   
434-357 5 Lynchburg VA   250   2026-09-12   
434-666 4 Charlottesville VA   928   2026-11-09   
434-666 5 Charlottesville VA   928   2026-11-09   
434-666 7 Charlottesville VA   928   2026-11-09   
434-833 A Charlottesville VA CHVLVAXAXOY  928      
434-833 8 Charlottesville VA CHVLVAXAXOY  928   2020-11-20   
434-833 9 Charlottesville VA CHVLVAXAXOY  928   2020-11-20   
440-440 5 Hillcrest OH CLEVOHEKLMD  320   2026-02-20   
440-440 6 Hillcrest OH CLEVOHEKLMD  320   2026-02-20   
440-672 A Cleveland OH CLEVOHEKLMD  320      
440-672 8 Cleveland OH CLEVOHEKLMD  320   2020-10-09   
440-672 9 Cleveland OH CLEVOHEKLMD  320   2020-10-09   
440-696 A Brecksville OH CLEVOHEKPMD  320      
440-696 8 Brecksville OH CLEVOHEKPMD  320   2021-06-13   
440-696 9 Brecksville OH CLEVOHEKPMD  320   2021-06-13   
442-204 7 Vista CA SNDGCA0261Z  732   2016-06-11   
442-204 8 Vista CA SNDGCA0261Z  732   2016-06-11   
442-204 9 Vista CA SNDGCA0261Z  732   2016-06-11   
442-227 A Palm Desert CA PLSPCAXGXVZ  973      
442-227 1 Palm Desert CA PLSPCAXGXVZ  973   2013-12-16   
442-235 5 Barstow: Barstow DA CA LSANCARCY1X  730   2014-08-15   
442-243 3 Victorville: Victorville DA CA LSANCARCY1X  730   2014-08-15   
442-376 4 Escondido CA   732   2026-09-26   
442-376 5 Escondido CA   732   2026-09-26   
442-376 6 Escondido CA   732   2026-09-26   
442-376 7 Escondido CA   732   2026-09-26   
443-227 3 Port Deposit MD BLTMMDCHXVX  238   2016-05-14   
443-227 6 Port Deposit MD BLTMMDCHXVX  238   2016-05-14   
443-227 8 Port Deposit MD BLTMMDCHXVX  238   2016-05-14   
443-227 9 Port Deposit MD BLTMMDCHXVX  238   2016-05-14   
443-412 6 Churchville MD BLTMMDCHXVX  238   2016-05-14   
443-464 3 Churchville MD BLTMMDCHXVX  238   2016-05-14   
443-464 6 Churchville MD BLTMMDCHXVX  238   2016-05-14   
443-464 7 Churchville MD BLTMMDCHXVX  238   2016-05-14   
443-568 7 Arbutus MD BLTMMDCHXVX  238   2020-05-01   
443-661 7 Waterloo MD BLTMMDCHXVX  238   2020-05-02   
443-731 7 Port Deposit MD BLTMMDCHXVX  238   2016-05-14   
443-747 6 Port Deposit MD BLTMMDCHXVX  238   2016-05-14   
443-755 2 Waterloo MD BLTMMDCHXVX  238   2016-05-14   
443-755 3 Waterloo MD BLTMMDCHXVX  238   2016-05-14   
443-755 4 Waterloo MD BLTMMDCHXVX  238   2016-05-14   
443-755 6 Waterloo MD BLTMMDCHXVX  238   2016-05-14   
443-755 7 Waterloo MD BLTMMDCHXVX  238   2016-05-14   
445-207 A Philadelphia Zone 1 PA PHLAPAMKXLX  228      
445-207 8 Philadelphia Zone 1 PA PHLAPAMKXLX  228   2021-10-09   
445-207 9 Philadelphia Zone 1 PA PHLAPAMKXLX  228   2021-10-09   
447-252 A Mattoon IL MTONILXCXMX  976      
447-252 9 Mattoon IL MTONILXCXMX  976   2023-05-11   
447-312 0 Mattoon IL MTONILXCXMX  976   2026-01-08   
447-312 1 Mattoon IL MTONILXCXMX  976   2026-01-08   
447-446 A Champaign-Urbana IL CHMPILCPXDY  370      
447-446 9 Champaign-Urbana IL CHMPILCPXDY  370   2021-04-11   
447-448 A Springfield IL SPFDILESXZX  374      

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Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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