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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
925-723 5 Martinez CA SNFCCA21XOZ  722   2016-06-06   
925-723 6 Martinez CA SNFCCA21XOZ  722   2016-06-06   
925-844 0 Clayton CA SNFCCA21XOZ  722   2016-10-20   
925-844 6 Clayton CA SNFCCA21XOZ  722   2016-10-20   
925-844 8 Clayton CA SNFCCA21XOZ  722   2016-10-20   
925-957 3 Martinez CA   722   2013-04-05   
925-993 0 Clayton CA SNFCCA21XOZ  722   2016-10-20   
925-993 3 Clayton CA SNFCCA21XOZ  722   2016-10-20   
925-993 5 Clayton CA   722   2016-10-20   
925-993 6 Clayton CA   722   2016-10-20   
928-293 4 Kingman AZ PHNXAZMAXTY  666   2018-01-28   
928-293 8 Kingman AZ   666   2018-01-28   
928-293 9 Kingman AZ   666   2018-01-28   
928-529 1 Kingman AZ PHNXAZMAXTY  666   2018-01-28   
929-251 1 New York City Zone 12 NY NYCMNY37UMD  132   2014-08-01   
929-270 1 New York City Zone 10 NY NYCMNY37UMD  132   2014-08-01   
929-281 1 New York City Zone 04 NY NYCMNY37UMD  132   2014-08-01   
929-314 8 New York City Zone 14 NY NYCMNY37UMD  132   2014-08-01   
930-275 A Bloomington IN BLTNINTMXXX  338      
930-275 8 Bloomington IN BLTNINTMXXX  338   2023-05-11   
930-275 9 Bloomington IN BLTNINTMXXX  338   2023-05-11   
930-276 A Terre Haute IN TRRHIN026MD  938      
930-276 8 Terre Haute IN TRRHIN026MD  938   2023-05-11   
930-276 9 Terre Haute IN TRRHIN026MD  938   2023-05-11   
937-518 A Dayton OH DYTNOHKT9MD  328      
937-518 8 Dayton OH DYTNOHKT9MD  328   2020-09-25   
937-518 9 Dayton OH DYTNOHKT9MD  328   2020-09-25   
940-530 A Wichita Falls TX WCFLTXFGFMD  548      
940-530 8 Wichita Falls TX WCFLTXFGFMD  548   2023-05-11   
940-530 9 Wichita Falls TX WCFLTXFGFMD  548   2023-05-11   
941-200 9 North Port FL TAMPFLXAX3X  952   2016-06-12   
941-221 4 Venice FL   952   2016-08-27   
941-221 5 Venice FL   952   2016-08-27   
941-221 6 Venice FL   952   2016-08-27   
941-221 7 Venice FL TAMPFLXAX3X  952   2016-08-27   
941-221 8 Venice FL TAMPFLXAX3X  952   2016-08-27   
941-931 0 Sarasota FL TAMPFLXAX3X  952   2016-02-06   
941-931 1 Sarasota FL TAMPFLXAX3X  952   2016-02-06   
941-931 2 Sarasota FL TAMPFLXAX3X  952   2016-02-06   
941-931 3 Sarasota FL TAMPFLXAX3X  952   2016-02-06   
941-931 5 Sarasota FL TAMPFLXAX3X  952   2016-02-06   
941-931 6 Sarasota FL TAMPFLXAX3X  952   2016-02-06   
941-931 7 Sarasota FL TAMPFLXAX3X  952   2016-02-06   
941-931 8 Sarasota FL TAMPFLXAX3X  952   2016-02-06   
941-931 9 Sarasota FL TAMPFLXAX3X  952   2016-02-06   
941-940 1 Palmetto FL TAMPFLXAX3X  952   2016-02-06   
941-940 3 Palmetto FL TAMPFLXAX3X  952   2016-02-06   
941-940 4 Palmetto FL TAMPFLXAX3X  952   2016-02-06   
941-940 5 Palmetto FL TAMPFLXAX3X  952   2016-02-06   
941-940 6 Palmetto FL TAMPFLXAX3X  952   2016-02-06   

<< 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 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.