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: 732J NUSO, LLC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
930-271 1 Newburgh IN EVVLINLW6MD  330   2023-03-23   
930-272 A Columbus IN BLTNINTMXWX  338      
930-272 2 Columbus IN BLTNINTMXWX  338   2023-03-25   
930-272 5 Columbus IN   338   2025-02-14   
930-272 6 Columbus IN BLTNINTMXWX  338   2023-12-25   
930-272 7 Columbus IN BLTNINTMXWX  338   2023-12-25   
930-273 A Bloomington IN BLTNINTMXZX  338      
930-273 1 Bloomington IN BLTNINTMXZX  338   2023-04-06   
930-273 7 Bloomington IN BLTNINTMXZX  338   2023-12-25   
930-273 8 Bloomington IN BLTNINTMXZX  338   2023-12-25   
930-278 A Brazil IN TRRIINCN4MD  938      
930-278 1 Brazil IN TRRIINCN4MD  938   2023-05-05   
930-278 3 Brazil IN TRRIINCN4MD  938   2023-12-25   
930-278 4 Brazil IN TRRIINCN4MD  938   2023-12-25   
930-280 6 Columbus IN   338   2025-02-14   
931-369 A Tullahoma TN TLLHTNMAIMD  470      
931-369 1 Tullahoma TN TLLHTNMAIMD  470   2022-11-21   
931-369 6 Tullahoma TN TLLHTNMAIMD  470   2024-09-20   
931-369 8 Tullahoma TN TLLHTNMAIMD  470   2023-12-25   
931-369 9 Tullahoma TN TLLHTNMAIMD  470   2023-12-25   
931-377 A Clarksville TN NSVRTN964MD  470      
931-377 1 Clarksville TN NSVRTN964MD  470   2023-04-23   
931-419 3 Clarksville TN NSVRTN964MD  470   2024-02-18   
931-419 4 Clarksville TN NSVRTN964MD  470   2024-02-18   
931-429 7 Clarksville TN NSVRTN964MD  470   2024-06-18   
931-429 8 Clarksville TN NSVRTN964MD  470   2024-06-18   
931-429 9 Clarksville TN NSVRTN964MD  470   2024-06-18   
934-724 3 Montauk Point NY   132   2025-03-15   
934-724 8 Montauk Point NY   132   2025-03-15   
936-340 6 Dayton TX HSTNTXJAXWY  560   2023-11-24   
936-341 A Dayton TX HSTNTXJAXWY  560      
936-341 1 Dayton TX HSTNTXJAXWY  560   2023-01-08   
937-906 2 Dayton OH DYTNOHAC4MD  328   2023-12-03   
937-906 3 Dayton OH DYTNOHAC4MD  328   2023-12-03   
937-906 4 Dayton OH   328   2025-06-27   
937-913 A Dayton OH DYTNOHAC4MD  328      
937-913 6 Dayton OH DYTNOHAC4MD  328   2023-05-05   
938-225 6 Huntsville AL HNVIALOD8MD  477   2024-02-10   
938-225 7 Huntsville AL HNVIALOD8MD  477   2024-02-10   
938-255 0 Cullman AL CLMNALMAFMD  477   2024-10-18   
938-255 1 Cullman AL CLMNALMAFMD  477   2024-10-18   
940-223 A Vernon TX WCFLTXFGEMD  548      
940-223 1 Vernon TX WCFLTXFGEMD  548   2023-04-09   
940-223 2 Vernon TX WCFLTXFGEMD  548   2023-11-25   
940-223 3 Vernon TX WCFLTXFGEMD  548   2023-11-25   
941-293 A Palmetto FL PLMTFLXAAMD  952      
941-293 1 Palmetto FL PLMTFLXAAMD  952   2022-11-22   
941-293 2 Palmetto FL PLMTFLXAAMD  952   2023-11-27   
941-293 3 Palmetto FL PLMTFLXAAMD  952   2023-11-27   
941-385 6 Palmetto FL PLMTFLXAAMD  952   2024-09-28   
941-385 7 Palmetto FL PLMTFLXAAMD  952   2024-09-28   
943-205 1 Tallapoosa GA ATLNGAMQXCX  438   2024-04-13   
943-240 2 Atlanta Northeast GA ATLNGAMQXCX  438   2024-05-04   
943-240 3 Atlanta Northeast GA ATLNGAMQXCX  438   2024-08-19   
943-244 2 Atlanta South GA ATLNGAMQXCX  438   2024-05-03   
943-258 4 Carrollton GA ATLNGAMQXCX  438   2024-10-14   
943-258 5 Carrollton GA ATLNGAMQXCX  438   2024-10-14   
943-262 5 Atlanta Northwest GA ATLNGAMQXCX  438   2024-07-18   
943-263 4 Atlanta South GA ATLNGAMQXCX  438   2024-08-19   
943-269 2 Atlanta GA ATLNGAMQXCX  438   2024-10-14   
943-269 3 Atlanta GA ATLNGAMQXCX  438   2024-10-14   
943-999 2 Grantville GA ATLNGAMQXCX  438   2024-10-14   
943-999 3 Grantville GA ATLNGAMQXCX  438   2024-10-14   
943-999 6 Grantville GA ATLNGAMQXCX  438   2024-06-09   
945-256 4 Allen TX DLLSTXALEMD  552   2024-04-19   
945-320 8 Plano TX DLLSTXALEMD  552   2024-04-15   
945-335 2 Irving TX DLLSTXALEMD  552   2024-04-23   
945-351 7 Dallas TX DLLSTXRIXLZ  552   2024-11-10   
945-351 8 Dallas TX DLLSTXRIXLZ  552   2024-11-10   
948-208 A Newport News Zone 2 VA NRFMVAUC4MD  252      
948-208 2 Newport News Zone 2 VA NRFMVAUC4MD  252   2023-04-06   
949-508 3 Irvine CA LSANCARCYDX  730   2024-05-23   
949-839 0 Irvine CA LSANCARCYDX  730   2024-11-23   
949-839 1 Irvine CA LSANCARCYDX  730   2024-11-23   
956-394 3 Laredo TX CSHLTX125MD  566   2023-12-10   
956-691 A Laredo TX CSHLTX125MD  566      
956-691 4 Laredo TX CSHLTX125MD  566   2023-03-30   
956-987 A Brownsville TX HRLNTXDU8MD  568   2024-06-09   
956-987 1 Brownsville TX HRLNTXDU8MD  568   2024-06-09   
959-238 A Putnam CT PTNMCT00AMD  920      
959-238 1 Putnam CT PTNMCT00AMD  920   2022-11-16   
959-238 9 Putnam CT PTNMCT00AMD  920   2024-09-09   
959-248 A Hartford CT HRFRCTBC9MD  920      
959-248 3 Hartford CT HRFRCTBC9MD  920   2023-05-01   
959-258 7 Hartford CT PTNMCT00AMD  920   2024-11-10   
959-258 8 Hartford CT PTNMCT00AMD  920   2024-11-10   
959-262 8 Hartford CT HRFRCTBC9MD  920   2024-05-24   
959-262 9 Hartford CT HRFRCTBC9MD  920   2024-05-24   
970-851 7 Fort Collins CO DNVRCOMA53Z  656   2024-10-14   
970-892 2 Grand Junction CO DNVRCOMA53Z  656   2024-12-04   
970-892 7 Grand Junction CO DNVRCOMA53Z  656   2024-12-04   
971-439 A Beaverton OR PTLDOR13XLX  672      
971-439 1 Beaverton OR PTLDOR13XLX  672   2022-12-02   
971-449 A Portland OR PTLDORWAXLY  672      
971-449 2 Portland OR PTLDORWAXLY  672   2023-04-23   
972-477 8 Plano TX   552   2025-05-09   
972-477 9 Plano TX   552   2025-05-09   
978-571 4 Westminster MA CMBRMABEXBX  128   2024-05-27   
978-684 4 Andover MA CMBRMABEXBX  128   2024-10-28   
978-731 3 Westminster MA   128      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.