Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 506J TWILIO INTERNATIONAL, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
937-891 A Cedarville OH DYTNOH22XCZ  328      
937-891 8 Cedarville OH DYTNOH22XCZ  328   2022-02-04   
937-984 A Milford Center OH BLLFOHXAQMD  923   2025-01-18   
937-984 9 Milford Center OH BLLFOHXAQMD  923   2025-01-19   
940-281 A Denton TX DNTNTXXAX6Y  552   2024-12-15   
940-281 7 Denton TX DNTNTXXAX6Y  552   2024-12-16   
940-409 A St Jo TX DCTRTXXARMD  552   2025-01-11   
940-409 5 St Jo TX DCTRTXXARMD  552   2025-01-12   
940-494 A Wichita Falls TX WCFLTXNIXSX  548      
940-494 4 Wichita Falls TX WCFLTXNIXSX  548   2022-04-09   
945-285 A Kaufman TX ATHNTXXAX2X  552   2025-01-11   
945-285 2 Kaufman TX ATHNTXXAX2X  552   2025-01-12   
947-895 A Southfield MI DTRTMIBHJMD  340      
947-895 8 Southfield MI DTRTMIBHJMD  340   2021-07-08   
954-824 A Fort Lauderdale FL MIAMFLGR91Z  46017      
954-824 8 Fort Lauderdale FL MIAMFLGR91Z  46017   2020-10-16   
956-895 A Harlingen TX HRLNTXHGXTX  568      
956-895 8 Harlingen TX HRLNTXHGXTX  568   2022-03-12   
959-895 A Hartford CT HRFRCTBC7MD  920      
959-895 8 Hartford CT HRFRCTBC7MD  920   2020-12-13   
970-747 2 Fort Morgan CO DNVRCOMA40Z  656   2020-12-18   
971-423 A Yamhill OR   672      
971-423 3 Yamhill OR   672   2025-12-03   
971-895 A Portland OR PTLDOR13XGX  672      
971-895 8 Portland OR PTLDOR13XGX  672   2020-11-15   
972-810 8 Carrollton TX DLLRTXVM0MD  552   2013-11-29   
972-810 9 Carrollton TX DLLRTXVM0MD  552   2013-11-29   
979-895 A Bryan-College Station TX BRYNTXXAXMX  570      
979-895 8 Bryan-College Station TX BRYNTXXAXMX  570   2022-04-04   
980-895 A Charlotte NC CHRLNCCAYNX  422      
980-895 8 Charlotte NC CHRLNCCAYNX  422   2021-05-27   
984-895 A Raleigh NC RLGHNCHO38Z  426      
984-895 8 Raleigh NC RLGHNCHO38Z  426   2021-05-27   
986-895 A Boise ID BOISIDMAXNY  652      
986-895 8 Boise ID BOISIDMAXNY  652   2020-12-21   
986-896 A Coeur D'Alene ID CRALIDXXX4X  960      
986-896 8 Coeur D'Alene ID CRALIDXXX4X  960   2022-03-27   
989-815 A Mount Pleasant MI ALMAMIXGSMD  344   2025-01-06   
989-815 8 Mount Pleasant MI ALMAMIXGSMD  344   2025-01-07   
989-897 A Bay City MI SGNWMIFAXTY  344      
989-897 8 Bay City MI SGNWMIFAXTY  344   2022-03-12   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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