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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
202-920 A Washington Zone 1 DC   236   2019-03-30   
202-920 9 Washington Zone 1 DC   236   2019-03-30   
202-949 A Washington Zone 1 DC   236   2020-03-16   
202-949 9 Washington Zone 1 DC   236   2020-03-16   
205-825 A Birmingham AL   476   2019-03-11   
205-825 9 Birmingham AL   476   2019-03-11   
205-885 A Ashville AL   476   2020-02-09   
205-885 9 Ashville AL   476   2020-02-09   
205-946 6 Birmingham AL   476   2020-04-25   
206-460 7 Des Moines WA   674   2016-05-21   
206-606 0 Seattle WA   674   2016-05-21   
206-806 A Seattle WA   674   2019-06-07   
206-806 9 Seattle WA   674   2019-06-07   
208-593 A Boise ID   652   2020-08-01   
208-593 8 Boise ID   652   2020-08-01   
208-593 9 Boise ID   652   2020-08-01   
209-399 A Manteca CA   738   2019-11-23   
209-399 9 Manteca CA   738   2019-11-23   
210-940 A San Antonio TX   566   2020-04-12   
210-940 9 San Antonio TX   566   2020-04-12   
223-240 A Harrisburg City Zone-1 PA   226   2020-11-22   
223-240 8 Harrisburg City Zone-1 PA   226   2020-11-22   
223-240 9 Harrisburg City Zone-1 PA   226   2020-11-22   
228-338 A Biloxi MS   484   2020-07-19   
228-338 8 Biloxi MS   484   2020-07-19   
228-338 9 Biloxi MS   484   2020-07-19   
234-279 A Akron OH   325   2020-09-25   
234-279 8 Akron OH   325   2020-09-25   
234-279 9 Akron OH   325   2020-09-25   
239-328 A Fort Myers FL   93902   2020-09-14   
239-328 8 Fort Myers FL   93902   2020-09-14   
239-328 9 Fort Myers FL   93902   2020-09-14   
240-730 A Hagerstown MD   240   2020-10-09   
240-730 8 Hagerstown MD   240   2020-10-09   
240-730 9 Hagerstown MD   240   2020-10-09   
253-257 3 Tacoma-Waverly WA   674   2016-09-11   
253-257 4 Tacoma-Waverly WA   674   2016-09-11   
253-392 3 Tacoma-Waverly WA   674   2016-04-28   
253-480 8 Kent WA   674   2016-05-21   
253-993 3 Tacoma-Waverly WA   674   2019-09-15   
254-504 A Waco TX   556   2020-04-12   
254-504 9 Waco TX   556   2020-04-12   
256-696 A Huntsville AL   477   2020-04-02   
256-696 9 Huntsville AL   477   2020-04-02   
267-435 5 Philadelphia Suburban Zone 32 PA   228   2020-05-28   
267-447 4 Philadelphia Suburban Zone 32 PA   228   2016-05-13   
267-447 6 Philadelphia Suburban Zone 32 PA   228   2016-05-13   
267-510 1 Morrisville PA   228   2016-02-07   
267-510 2 Morrisville PA   228   2016-02-07   
267-510 3 Morrisville PA   228   2016-02-07   

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 >>

Last updated: Sat, 10 Oct 2020 02:22:41 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.