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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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
586-301 A Warren MI SFLDMIMKEMD  340      
586-301 9 Warren MI SFLDMIMKEMD  340   2022-02-21   
586-304 8 New Haven MI SFLDMIMKEMD  340   2023-02-27   
601-537 7 Polkville MS JCSNMSPSXQY  482   2022-09-15   
601-819 3 Wiggins MS JCSNMSPSXQY  482   2023-07-03   
603-202 6 Concord NH MNCHNHBO2MD  122   2024-02-20   
603-265 5 New Boston NH MNCHNHBO2MD  122   2024-02-24   
603-265 6 New Boston NH MNCHNHBO2MD  122   2023-11-05   
603-290 6 Concord NH MNCHNHBO2MD  122   2023-10-27   
603-291 6 Greenville NH MNCHNHBO2MD  122   2024-04-25   
603-291 7 Greenville NH MNCHNHBO2MD  122   2024-01-14   
603-473 3 Milton Mills NH MNCHNHBO2MD  122   2023-10-28   
603-642 0 Kingston NH MNCHNHBO2MD  122   2024-02-20   
603-642 1 Kingston NH MNCHNHBO2MD  122   2023-10-27   
603-698 5 Manchester NH MNCHNHBO2MD  122   2024-02-20   
603-698 6 Manchester NH MNCHNHBO2MD  122   2023-10-27   
603-699 3 Nashua NH MNCHNHBO2MD  122   2024-02-24   
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 4 Center Barnstead NH MNCHNHBO2MD  122   2024-02-20   
603-813 5 Center Barnstead NH MNCHNHBO2MD  122   2023-10-27   
603-910 1 Hampton NH MNCHNHBO2MD  122   2024-02-20   
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 4 Ashland KY LXTNKY2424Z  466   2023-10-10   
606-232 5 Ashland KY LXTNKY2424Z  466   2023-05-22   
607-367 9 Elmira NY NYCMNYZR24Z  138   2022-06-10   
607-380 1 Campbell NY SYRCNY024MD  138   2022-12-20   
607-391 4 Ithaca NY SYRCNY024MD  136   2022-04-30   
607-396 0 Waverly NY SYRCNY024MD  138   2024-02-29   
607-396 8 Waverly NY SYRCNY024MD  138   2023-10-23   
607-413 A Binghamton NY NYCMNYZR24Z  138      
607-413 9 Binghamton NY NYCMNYZR24Z  138   2022-02-11   
607-599 2 Caton NY NYCMNYZR24Z  138   2023-03-02   
607-708 5 Dryden NY SYRCNY024MD  136   2024-02-01   
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 2 Brodhead WI MDSRWIKE8MD  354   2023-12-02   
608-551 3 Brodhead WI MDSRWIKE8MD  354   2024-04-29   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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