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
582-241 A Timblin PA STMYPAXSHMD  230   2025-01-03   
582-241 4 Timblin PA STMYPAXSHMD  230   2025-01-05   
582-267 A Windber PA JHTWPAXJX2X  230   2025-02-16   
582-267 2 Windber PA JHTWPAXJX2X  230   2025-02-17   
582-280 A Wesley PA OLCYPAXOVMD  924   2025-02-16   
582-280 2 Wesley PA OLCYPAXOVMD  924   2025-02-17   
582-852 A Erie PA ERIEPAXMX3Y  924      
582-852 8 Erie PA ERIEPAXMX3Y  924   2022-05-29   
582-895 A Altoona PA ALNAPAALX9Y  230      
582-895 8 Altoona PA ALNAPAALX9Y  230   2022-03-11   
585-895 A Rochester NY ROCHNYXAXTX  974      
585-895 8 Rochester NY ROCHNYXAXTX  974   2022-01-24   
601-607 5 Madison MS JCSNMSCP70Z  482   2021-07-12   
605-601 A Sioux Falls SD SXFLSDCOXWX  640      
605-601 6 Sioux Falls SD SXFLSDCOXWX  640   2020-12-21   
606-458 A Grayson KY ASLDKYXAX1X  466   2024-12-27   
606-458 5 Grayson KY ASLDKYXAX1X  466   2024-12-28   
606-466 A Neon KY WNCHKYMAX1Z  466   2024-12-27   
606-466 4 Neon KY WNCHKYMAX1Z  466   2024-12-28   
606-491 A Olive Hill KY MRHDKYXASMD  466   2024-12-27   
606-491 4 Olive Hill KY MRHDKYXASMD  466   2024-12-28   
606-697 A Somerset KY SMRTKYXAX3X  466   2024-12-27   
606-697 0 Somerset KY SMRTKYXAX3X  466   2024-12-27   
607-894 A Binghamton NY BNGHNYHYXLY  138      
607-894 8 Binghamton NY BNGHNYHYXLY  138   2022-05-29   
608-803 A Spring Green WI DGVLWIXAQMD  354   2025-01-17   
608-803 8 Spring Green WI DGVLWIXAQMD  354   2025-01-18   
608-895 A Madison WI MDSNWI11XHY  354      
608-895 8 Madison WI MDSNWI11XHY  354   2021-07-30   
608-903 A La Crosse WI LCRSWIXCXRX  354   2025-01-17   
608-903 6 La Crosse WI LCRSWIXCXRX  354   2025-01-18   
609-690 A Trenton NJ CMDNNJCE62Z  222      
609-690 6 Trenton NJ CMDNNJCE62Z  222   2020-12-13   
609-875 A Atlantic City NJ PSVLNJPLXIZ  220      
609-875 8 Atlantic City NJ PSVLNJPLXIZ  220   2022-03-14   
612-895 A Twin Cities MN MPLSMNDTXFY  628      
612-895 8 Twin Cities MN MPLSMNDTXFY  628   2020-11-30   
616-898 A Alto MI GDRPMIBL41Z  348      
616-898 8 Alto MI GDRPMIBL41Z  348   2021-07-10   
618-450 A Mount Carmel IL OLNYILXEX4X  978      
618-450 8 Mount Carmel IL OLNYILXEX4X  978   2022-06-17   
618-850 A Herrin IL CRDLILXEXWX  362      
618-850 8 Herrin IL CRDLILXEXWX  362   2022-10-05   
629-895 A Nashville TN NSVLTNMTYNZ  470      
629-895 8 Nashville TN NSVLTNMTYNZ  470   2020-10-10   
650-200 A San Mateo CA SNFCCAMKX5Y  722      
650-200 2 San Mateo CA SNFCCAMKX5Y  722      
650-250 0 Palo Alto CA SNFCCAMKX5Y  722   2016-07-10   
650-282 1 Mountain View CA SNFCCAMKX5Y  722   2003-10-12   
650-399 1 Redwood City CA SNFCCAMKX5Y  722      

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

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