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: 321J HD CARRIER LLC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
458-298 A Eugene OR EUGNOR147MD  670      
458-298 8 Eugene OR EUGNOR147MD  670   2023-05-11   
458-298 9 Eugene OR EUGNOR147MD  670   2023-05-11   
463-239 A Indianapolis IN IPLWIN75X0X  336      
463-239 9 Indianapolis IN IPLWIN75X0X  336   2020-10-09   
463-253 A Indianapolis IN IPLWIN75X5X  336      
463-253 9 Indianapolis IN IPLWIN75X5X  336   2021-09-18   
463-426 1 Indianapolis IN IPLWIN75X0X  336   2021-08-20   
469-809 A Dallas TX DLLSTX97X8X  552      
469-809 9 Dallas TX DLLSTX97X8X  552   2020-04-11   
470-480 A Atlanta GA ATLNGAEPXKY  438      
470-480 9 Atlanta GA ATLNGAEPXKY  438   2019-03-10   
470-531 6 Atlanta Northwest GA ATLNGAEPXKY  438   2020-04-24   
470-596 A Atlanta Northwest GA ATLNGAEPXKY  438      
470-596 9 Atlanta Northwest GA ATLNGAEPXKY  438   2020-05-18   
470-661 3 Atlanta South GA ATLNGAEPXKY  438   2020-04-24   
470-670 A Atlanta GA ATLNGAEPXNY  438      
470-670 8 Atlanta GA ATLNGAEPXKY  438   2020-05-22   
470-670 9 Atlanta GA ATLNGAEPXNY  438   2020-05-22   
470-938 9 Atlanta Northwest GA ATLNGAEPXKY  438   2020-04-24   
472-240 6 Lumberton NC   428   2025-09-07   
472-240 7 Lumberton NC   428   2025-09-07   
472-240 9 Lumberton NC   428   2025-09-07   
472-272 A Fayetteville NC   949   2025-06-21   
472-272 7 Fayetteville NC   949   2025-06-21   
472-272 8 Fayetteville NC   949   2025-06-21   
472-272 9 Fayetteville NC   949   2025-06-21   
472-300 3 Fayetteville NC   949   2025-10-13   
472-300 4 Fayetteville NC   949   2025-10-13   
472-300 5 Fayetteville NC   949   2025-10-13   
475-200 8 Huntington CT   920   2025-08-15   
475-260 2 Huntington CT   920   2025-08-15   
475-314 A Huntington CT HRFRCT0300Z  920      
475-314 9 Huntington CT HRFRCT0300Z  920   2022-10-03   
475-369 7 Huntington CT   920   2025-08-15   
478-367 A Macon GA MACNGAGAXAX  446      
478-367 8 Macon GA MACNGAGAXAX  446   2023-05-11   
478-367 9 Macon GA MACNGAGAXAX  446   2023-05-11   
478-425 5 Macon GA   446   2025-09-14   
478-425 6 Macon GA   446   2025-09-14   
484-207 9 Chester Springs PA PHLAPAMKX7X  228   2016-01-02   
484-224 4 Allentown (Lehigh) PA PHLAPAMKXLX  228   2021-08-22   
484-336 2 Reading PA PHLAPAMKX7X  228   2020-05-28   
484-396 8 Philadelphia Suburban Zone 29 PA   228   2016-09-11   
484-398 1 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-398 2 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-398 5 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-398 9 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-404 1 Bangor PA PHLAPAMKX7X  228   2016-05-20   
484-404 2 Bangor PA PHLAPAMKX7X  228   2016-05-20   
484-404 3 Bangor PA PHLAPAMKX7X  228   2016-05-20   
484-404 5 Bangor PA PHLAPAMKX7X  228   2016-05-20   
484-404 7 Bangor PA   228   2016-05-20   
484-481 A West Chester PA PHLAPAMKX7X  228      
484-481 0 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 1 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 2 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 3 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 4 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 5 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 6 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 7 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 8 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-481 9 West Chester PA PHLAPAMKX7X  228   2016-02-04   
484-488 2 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-488 6 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-488 8 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-488 9 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-518 1 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-518 2 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-562 3 Philadelphia Suburban Zone 23 PA PHLAPAMKX7X  228   2020-05-28   
484-740 A Reading PA PHLAPAMKX7X  228      
484-740 0 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 1 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 2 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 3 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 4 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 5 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 6 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 7 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 8 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-740 9 Reading PA PHLAPAMKX7X  228   2016-02-04   
484-825 1 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 2 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 3 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 4 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 5 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 6 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 7 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 8 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-825 9 Philadelphia Suburban Zone 30 PA PHLAPAMKX7X  228   2016-09-11   
484-831 4 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-831 6 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-831 7 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-831 8 Philadelphia Suburban Zone 29 PA PHLAPAMKX7X  228   2016-01-02   
484-834 0 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-834 1 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-834 2 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-834 3 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   
484-834 4 Catasauqua PA PHLAPAMKX7X  228   2016-01-02   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 >>

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.