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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
215-371 0 Philadelphia Suburban Zone 33 PA   228   2016-05-20   
218-619 A Duluth MN DLTHMNEHJMD  624      
218-619 8 Duluth MN DLTHMNEHJMD  624   2023-05-11   
218-619 9 Duluth MN DLTHMNEHJMD  624   2023-05-11   
223-240 A Harrisburg City Zone-1 PA HRBGPAGU8MD  226      
223-240 8 Harrisburg City Zone-1 PA HRBGPAGU8MD  226   2020-11-22   
223-240 9 Harrisburg City Zone-1 PA HRBGPAGU8MD  226   2020-11-22   
223-256 A Dillsburg PA HRBGPAGU9MD  226      
223-256 8 Dillsburg PA HRBGPAGU9MD  226   2021-05-29   
223-256 9 Dillsburg PA HRBGPAGU9MD  226   2021-05-29   
225-512 A Baton Rouge LA BTRGLA12XQZ  492      
225-512 8 Baton Rouge LA BTRGLA12XQZ  492   2023-05-11   
225-512 9 Baton Rouge LA BTRGLA12XQZ  492   2023-05-11   
227-222 7 Washington Zone 16 MD   236   2023-12-18   
227-777 1 Ashton (Baltimore LATA) MD   238   2023-09-30   
227-888 7 Washington Zone 15 (Baltimore LATA) MD   238   2023-11-20   
227-999 7 Washington Zone 10 MD   236   2023-12-15   
228-338 A Biloxi MS BILXMSAT8MD  484      
228-338 8 Biloxi MS BILXMSAT8MD  484   2020-07-19   
228-338 9 Biloxi MS BILXMSAT8MD  484   2020-07-19   
231-293 A Frankfort MI BRSPMI099MD  348      
231-293 9 Frankfort MI BRSPMI099MD  348   2021-07-05   
234-279 A Akron OH AKRNOH2533Z  325      
234-279 8 Akron OH AKRNOH2533Z  325   2020-09-25   
234-279 9 Akron OH AKRNOH2533Z  325   2020-09-25   
234-370 A Youngstown OH YNTWOH74X4X  322      
234-370 8 Youngstown OH YNTWOH74X4X  322   2023-05-11   
234-370 9 Youngstown OH YNTWOH74X4X  322   2023-05-11   
239-328 A Fort Myers FL FTMYFL027MD  93902      
239-328 8 Fort Myers FL FTMYFL027MD  93902   2020-09-14   
239-328 9 Fort Myers FL FTMYFL027MD  93902   2020-09-14   
240-570 0 Ashton (Baltimore LATA) MD BLTMMDCHXVX  238   2016-05-14   
240-570 1 Ashton (Baltimore LATA) MD BLTMMDCHXVX  238   2016-05-14   
240-570 2 Ashton (Baltimore LATA) MD BLTMMDCHXVX  238   2016-05-14   
240-570 3 Ashton (Baltimore LATA) MD BLTMMDCHXVX  238   2016-05-14   
240-570 4 Ashton (Baltimore LATA) MD BLTMMDCHXVX  238   2016-05-14   
240-570 5 Ashton (Baltimore LATA) MD BLTMMDCHXVX  238   2016-05-14   
240-570 6 Ashton (Baltimore LATA) MD   238   2016-05-14   
240-730 A Hagerstown MD HGTWMD53DMD  240      
240-730 8 Hagerstown MD HGTWMD53DMD  240   2020-10-09   
240-730 9 Hagerstown MD HGTWMD53DMD  240   2020-10-09   
253-257 3 Tacoma-Waverly WA EVRTWAXAXVX  674   2016-09-11   
253-257 4 Tacoma-Waverly WA EVRTWAXAXVX  674   2016-09-11   
253-331 4 Tacoma-Waverly WA   674   2017-11-05   
253-392 3 Tacoma-Waverly WA EVRTWAXAXVX  674   2016-04-28   
253-480 8 Kent WA EVRTWAXAXVX  674   2016-05-21   
253-993 3 Tacoma-Waverly WA EVRTWAXAXVX  674   2019-09-15   
254-504 A Waco TX WACOTXEY5MD  556      
254-504 9 Waco TX WACOTXEY5MD  556   2020-04-12   
256-696 A Huntsville AL HNVIAL96X3X  477      

<< 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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 >>

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.