Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 321J HD CARRIER LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
909-318 9 Big Bear Lake CA LSANCARCY1X  730   2016-06-12   
909-328 3 Redlands CA LSANCARCY1X  730   2014-08-16   
909-340 8 Big Bear Lake CA LSANCARCY1X  730   2014-08-15   
909-375 5 Big Bear City CA LSANCARCY1X  730   2014-08-15   
909-443 4 Ontario CA LSANCARCY1X  730   2014-08-16   
910-313 5 Wilmington NC   428   2025-09-07   
910-383 7 Wilmington NC   428   2025-09-07   
910-792 2 Wilmington NC   428   2025-09-07   
910-796 5 Wilmington NC   428   2025-09-07   
910-810 A Wilmington NC WLMGNC038MD  428      
910-810 8 Wilmington NC WLMGNC038MD  428   2020-07-27   
910-810 9 Wilmington NC WLMGNC038MD  428   2020-07-27   
910-869 7 South River NC   949   2025-10-13   
910-869 8 South River NC   949   2025-10-13   
910-869 9 South River NC   949   2025-10-13   
912-221 6 Jesup GA   440   2025-09-14   
912-461 A Savannah GA SVNHGAOBVMD  440      
912-461 8 Savannah GA SVNHGAOBVMD  440   2020-09-17   
912-461 9 Savannah GA SVNHGAOBVMD  440   2020-09-17   
912-530 5 Jesup GA   440   2025-09-14   
912-620 A Jesup GA SVNHGAOBYMD  440      
912-620 9 Jesup GA SVNHGAOBYMD  440   2021-12-06   
912-766 1 Jekyll Island GA   440   2025-09-14   
912-766 2 Jekyll Island GA   440   2025-09-14   
912-859 5 Savannah GA   440   2025-09-16   
912-859 6 Savannah GA   440   2025-09-16   
912-859 7 Savannah GA   440   2025-09-16   
913-391 A Kansas City KS KSCYMO55X9Z  524      
913-391 9 Kansas City KS KSCYMO55X9Z  524   2020-11-23   
913-399 A Kansas City KS KSCYMO55XGZ  524      
913-399 8 Kansas City KS KSCYMO55XGZ  524   2021-07-23   
913-399 9 Kansas City KS KSCYMO55XGZ  524   2021-07-23   
914-200 7 Westchester Zone 1 NY   132   2014-08-01   
914-208 8 Ossining NY   132   2014-08-01   
914-222 7 Westchester Zone 2 NY   132   2014-08-01   
914-300 2 Westchester Zone 3 NY   132   2016-08-19   
914-300 5 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-300 6 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-300 7 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-300 8 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-300 9 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-326 6 Pleasantville NY NYCMNY37UMD  132   2014-08-01   
914-348 8 Westchester Zone 4 NY   132   2014-08-01   
914-362 4 Mount Kisco NY   132   2014-08-01   
914-465 6 Westchester Zone 2 NY NYCMNY37UMD  132   2014-08-01   
914-485 5 North Salem NY   132   2014-08-02   
914-529 5 Westchester Zone 5 NY NYCMNY37UMD  132   2014-08-01   
914-594 9 Westchester Zone 7 NY NYCMNY37UMD  132   2012-03-04   
914-598 5 Westchester Zone 7 NY   132   2014-08-01   
914-603 0 Lakeland NY   132   2014-08-01   
914-705 7 Westchester Zone 8 NY NYCMNY37UMD  132   2014-08-01   
914-727 3 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-727 5 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-828 9 Armonk Village NY   132   2014-08-01   
914-908 7 Westchester Zone 9 NY NYCMNY37UMD  132   2014-08-01   
914-998 9 Westchester Zone 6 NY   132   2014-08-01   
914-999 7 Westchester Zone 3 NY   132   2014-08-01   
915-989 A El Paso TX   540   2025-06-21   
915-989 7 El Paso TX   540   2025-06-21   
915-989 8 El Paso TX   540   2025-06-21   
915-989 9 El Paso TX   540   2025-06-21   
916-556 4 Sacramento: Main DA CA   726      
916-656 1 Pleasant Grove CA   726   2016-06-12   
916-656 2 Pleasant Grove CA   726   2016-06-12   
916-656 4 Pleasant Grove CA   726   2016-06-12   
916-656 5 Pleasant Grove CA   726   2016-06-12   
916-656 6 Pleasant Grove CA   726   2016-08-26   
916-656 8 Pleasant Grove CA SCRMCA0105Z  726   2016-08-26   
916-702 0 Pleasant Grove CA SCRMCA0105Z  726   2016-08-26   
916-702 2 Pleasant Grove CA SCRMCA0105Z  726   2016-08-26   
920-384 A Green Bay WI GNBYWIELEMD  350      
920-384 9 Green Bay WI GNBYWIELEMD  350   2020-11-23   
920-466 A Green Bay WI   350   2025-09-08   
920-466 8 Green Bay WI   350   2025-09-08   
920-466 9 Green Bay WI   350   2025-09-08   
925-500 6 Martinez CA SNFCCA21XOZ  722   2016-06-06   
925-500 7 Martinez CA SNFCCA21XOZ  722   2016-06-06   
925-500 9 Martinez CA SNFCCA21XOZ  722   2016-06-06   
925-623 0 Pleasanton CA   722   2016-10-20   
925-693 2 Clayton CA SNFCCA21XOZ  722   2016-10-20   
925-693 4 Clayton CA SNFCCA21XOZ  722   2016-10-20   
925-693 5 Clayton CA SNFCCA21XOZ  722   2016-10-20   
925-693 6 Clayton CA SNFCCA21XOZ  722   2016-10-20   
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 SNFCCA21XOZ  722   2013-04-05   
925-993 A Clayton CA SNFCCA21XOZ  722      
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 SNFCCA21XOZ  722   2016-10-20   
925-993 6 Clayton CA SNFCCA21XOZ  722   2016-10-20   
928-293 4 Kingman AZ PHNXAZMAXTY  666   2018-01-28   
928-293 6 Kingman AZ   666   2018-01-28   
928-293 8 Kingman AZ PHNXAZMAXTY  666   2018-01-28   
928-293 9 Kingman AZ PHNXAZMAXTY  666   2018-01-28   
928-419 3 Flagstaff AZ   666   2025-10-31   
928-529 1 Kingman AZ PHNXAZMAXTY  666   2018-01-28   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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