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: 490J BOOST SUBSCRIBERCO L.L.C.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
213-903 0 Los Angeles: DA 01 CA LSANCAJWMMD  730   2025-01-05   
213-903 4 Los Angeles: DA 01 CA LSANCAJWMMD  730   2025-06-02   
213-906 3 Los Angeles: DA 07 CA LSANCAJWMMD  730   2025-09-08   
213-917 4 Los Angeles: DA 06 CA LSANCAJWMMD  730   2025-01-05   
213-917 6 Los Angeles: DA 06 CA LSANCAJWMMD  730   2025-04-03   
213-917 7 Los Angeles: DA 06 CA LSANCAJWMMD  730   2025-06-02   
213-934 2 Los Angeles: DA 12 CA LSANCAJWMMD  730   2025-10-13   
213-945 0 Los Angeles: DA 09 CA LSANCAJWMMD  730   2025-05-05   
213-945 1 Los Angeles: DA 09 CA LSANCAJWMMD  730   2025-05-05   
213-945 3 Los Angeles: DA 09 CA LSANCAJWMMD  730   2025-07-10   
213-969 A Los Angeles: DA 05 CA LSANCAJWMMD  730   2025-07-03   
213-969 5 Los Angeles: DA 05 CA LSANCAJWMMD  730   2025-10-02   
215-610 2 Philadelphia Zone 1 PA PHLAPAFGXBY  228   2023-10-16   
215-610 7 Philadelphia Zone 1 PA PHLAPAFGXBY  228   2024-01-23   
215-792 5 Philadelphia Suburban Zone 45 PA PHLAPAFGXBY  228   2025-10-04   
216-384 5 Terrace OH CLEVOHEKRMD  320   2024-07-25   
216-460 5 Montrose (Cuyahoga) OH CLEVOHEKRMD  320   2022-05-17   
216-547 7 Montrose (Cuyahoga) OH CLEVOHEKRMD  320   2025-06-15   
217-309 8 Farmersville IL MTONILXCXIX  976   2023-03-06   
217-410 9 Beason IL BLTNILTSX1X  366   2023-11-13   
217-514 8 Mount Auburn IL SPFDILESX8Y  374   2023-11-13   
217-548 6 Fithian IL CHMPILCPXLY  370   2023-03-09   
217-627 1 Girard IL SPFDILESX8Y  374   2023-03-06   
217-633 9 Hartsburg IL BLTNILTSX1X  366   2023-11-13   
217-669 7 Cisco IL SPFDILESX8Y  374   2023-11-13   
217-687 5 Seymour IL CHMPILCPXLY  370   2023-03-10   
217-736 6 Weldon IL BLTNILTSX1X  366   2023-11-13   
217-776 3 Collison IL CHMPILCPXLY  370   2023-03-09   
217-865 1 Elwin IL SPFDILESX8Y  374   2024-06-24   
217-867 5 Pesotum IL CHMPILCPXLY  370   2023-03-10   
217-901 9 Blue Mound IL SPFDILESX8Y  374   2023-11-13   
217-907 5 St Joseph IL CHMPILCPXLY  370   2023-02-27   
217-952 3 Athens IL SPFDILESX8Y  374   2023-03-10   
217-955 0 Greenview IL SPFDILESX8Y  374   2023-03-06   
217-992 9 Moweaqua IL SPFDILESX8Y  374   2023-11-14   
217-995 3 Lovington IL SPFDILESX8Y  374   2023-11-14   
218-207 7 East Grand Forks MN FARGNDBCXDY  636   2023-06-11   
218-613 A Duluth MN DLTHMNEH00Z  624      
218-613 9 Duluth MN DLTHMNEH00Z  624   2023-05-02   
218-620 A Moorhead MN FARGNDBCXDY  636      
218-620 0 Moorhead MN FARGNDBCXDY  636   2023-06-19   
219-205 7 San Pierre IN SBNDIN13NMD  332   2023-05-25   
219-269 8 Gary IN CHCGILWUXMD  358   2023-05-25   
219-269 9 Gary IN CHCGILWUXMD  358   2023-10-21   
219-272 9 Lake Village IN CHCGILWUXMD  358   2024-01-06   
219-278 2 Chesterton IN SBNDIN13NMD  332   2023-05-25   
219-328 A Kouts IN SBNDIN13NMD  332      
219-328 0 Kouts IN SBNDIN13NMD  332   2023-06-29   
219-350 6 Portage IN SBNDIN13NMD  332   2024-07-05   
219-376 1 Gary IN CHCGILWUXMD  358   2024-10-16   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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