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: 490J BOOST SUBSCRIBERCO L.L.C.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
602-895 A Phoenix AZ PHNXAZ19DMD  666   2025-10-27   
602-895 0 Phoenix AZ PHNXAZ19DMD  666   2025-10-27   
602-895 1 Phoenix AZ PHNXAZ19DMD  666   2025-12-01   
602-895 3 Phoenix AZ PHNXAZ19DMD  666   2026-01-12   
603-265 6 New Boston NH MNCHNHBO2MD  122   2023-11-05   
603-290 6 Concord NH MNCHNHBO2MD  122   2023-10-27   
603-291 7 Greenville NH MNCHNHBO2MD  122   2024-01-14   
603-473 3 Milton Mills NH MNCHNHBO2MD  122   2023-10-28   
603-642 1 Kingston NH MNCHNHBO2MD  122   2023-10-27   
603-698 6 Manchester NH MNCHNHBO2MD  122   2023-10-27   
603-699 4 Nashua NH MNCHNHBO2MD  122   2023-11-05   
603-804 A Dover NH MNCHNHBO2MD  122      
603-804 9 Dover NH MNCHNHBO2MD  122   2023-10-22   
603-813 5 Center Barnstead NH MNCHNHBO2MD  122   2023-10-27   
603-910 2 Hampton NH MNCHNHBO2MD  122   2023-10-27   
603-912 3 Salem NH MNCHNHBO2MD  122   2023-10-27   
605-503 A Rapid City SD SXFLSDPS8MD  640   2024-01-15   
605-503 9 Rapid City SD SXFLSDPS8MD  640   2022-03-03   
605-506 A Worthing SD SXFLSDPS8MD  640      
605-506 9 Worthing SD SXFLSDPS8MD  640   2022-10-02   
605-512 A New Underwood SD SXFLSDPS8MD  640      
605-512 8 New Underwood SD SXFLSDPS8MD  640   2023-04-05   
605-744 1 Lennox SD SXFLSDPS8MD  640   2022-08-28   
605-812 A Sioux Falls SD SXFLSDPS8MD  640      
605-812 9 Sioux Falls SD SXFLSDPS8MD  640   2021-08-13   
606-232 5 Ashland KY LXTNKY2424Z  466   2023-05-22   
606-351 7 London KY LXTNKY2424Z  466   2024-08-18   
606-458 4 Grayson KY LXTNKY2424Z  466   2024-05-16   
607-367 9 Elmira NY NYCMNYZR24Z  138   2022-06-10   
607-380 1 Campbell NY NYCMNYZR24Z  138   2022-12-20   
607-391 4 Ithaca NY SYRCNY024MD  136   2022-04-30   
607-396 8 Waverly NY NYCMNYZR24Z  138   2023-10-23   
607-413 A Binghamton NY NYCMNYZR24Z  138      
607-413 9 Binghamton NY NYCMNYZR24Z  138   2022-02-11   
607-456 1 Addison NY NYCMNYZR24Z  138   2024-10-10   
607-599 2 Caton NY NYCMNYZR24Z  138   2023-03-02   
607-708 8 Dryden NY SYRCNY024MD  136   2023-09-29   
607-833 4 Owego NY NYCMNYZR24Z  138   2022-06-10   
607-842 2 Truxton NY SYRCNY024MD  136   2023-10-11   
608-551 3 Brodhead WI MDSRWIKE8MD  354   2024-04-29   
608-815 1 Janesville WI MDSRWIKE8MD  354   2023-06-26   
608-815 8 Janesville WI MDSRWIKE8MD  354   2026-07-03   
608-840 2 Monticello WI MDSRWIKE8MD  354   2024-04-29   
608-865 4 Galesville WI MDSRWIKE8MD  354   2023-11-19   
608-871 0 La Crosse WI MDSRWIKE8MD  354   2023-05-13   
608-896 A Madison WI MDSRWIKE8MD  354      
608-896 9 Madison WI MDSRWIKE8MD  354   2023-06-10   
608-902 A Dickeyville WI MDSRWIKE8MD  354      
608-902 0 Dickeyville WI MDSRWIKE8MD  354   2023-07-24   
608-961 3 Madison WI MDSRWIKE8MD  354   2025-08-15   

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

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