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
816-704 8 Kansas City MO KSCYMO55X6Z  524   2021-06-07   
820-228 A Lompoc CA SNBBCAXFXTY  740   2024-12-28   
820-228 2 Lompoc CA SNBBCAXFXTY  740   2024-12-29   
820-400 A Parkfield CA SNLOCA01XLY  740      
820-400 9 Parkfield CA SNLOCA01XLY  740   2022-06-17   
828-745 A Cashiers NC   420      
828-745 7 Cashiers NC   420   2025-08-01   
828-895 A Asheville NC AHVLNCOH06Z  420      
828-895 8 Asheville NC AHVLNCOH06Z  420   2022-03-24   
830-351 9 Luling TX SNANTXDIXKX  566   2014-04-25   
830-430 A Fredericksburg TX FRBGTXXATMD  566   2025-01-11   
830-430 4 Fredericksburg TX FRBGTXXATMD  566   2025-01-12   
830-835 A Bulverde TX BLVRTXXA8MD  566   2024-12-27   
830-835 0 Bulverde TX BLVRTXXA8MD  566   2024-12-27   
831-256 3 Salinas CA SLNSCA01XKY  736   2015-07-13   
831-264 0 Monterey CA SLNSCA01XKY  736      
831-264 1 Monterey CA SLNSCA01XKY  736      
831-498 1 Watsonville CA SNFCCAMKX5Y  722      
831-540 2 Salinas CA SLNSCA01XKY  736      
831-713 1 Santa Cruz CA SNFCCAMKX5Y  722      
831-713 2 Santa Cruz CA SNFCCAMKX5Y  722      
831-717 A Monterey CA SLNSCA01XKY  736      
831-717 9 Monterey CA SLNSCA01XKY  736   2022-03-21   
838-895 A Albany NY ALBYNYSSXBZ  134      
838-895 8 Albany NY ALBYNYSSXBZ  134   2020-10-16   
839-895 A Columbia SC CLMASCSN29Z  434      
839-895 8 Columbia SC CLMASCSN29Z  434   2020-10-23   
843-948 A Latta SC FLRNSCMAXHY  432      
843-948 4 Latta SC FLRNSCMAXHY  432   2022-09-11   
845-854 A Poughkeepsie NY PGHKNYSHXXY  133      
845-854 8 Poughkeepsie NY PGHKNYSHXXY  133   2020-10-23   
847-523 A Palatine IL   358      
850-808 A St Marks FL TLHSFLXAX6Z  953      
850-808 5 St Marks FL TLHSFLXAX6Z  953   2021-04-08   
850-861 A Pensacola FL PNSCFLWAXCY  44813      
850-861 8 Pensacola FL PNSCFLWAXCY  44813   2020-10-15   
850-924 A DeFuniak Springs FL CRVWFLXAX2X  44814      
850-924 4 DeFuniak Springs FL CRVWFLXAX2X  44814   2024-11-29   
850-931 A Santa Rosa Beach FL FTWBFLXAXSX  44815      
850-931 1 Santa Rosa Beach FL FTWBFLXAXSX  44815   2024-11-29   
854-894 A Myrtle Beach SC MYBHSCAFOMD  432      
854-894 8 Myrtle Beach SC MYBHSCAFOMD  432   2022-03-27   
854-895 A Charleston SC CHTNSCDT27Z  436      
854-895 8 Charleston SC CHTNSCDT27Z  436   2020-10-15   
857-578 A Newton MA BSTPMALLZMD  128      
857-578 5 Newton MA BSTPMALLZMD  128   2020-12-11   
858-310 A Rancho Santa Fe CA SNDGCA0269Z  732      
858-310 3 Rancho Santa Fe CA SNDGCA0269Z  732   2021-07-17   
859-894 A Lexington KY LXTNKYXAXNZ  466      
859-894 8 Lexington KY LXTNKYXAXNZ  466   2021-07-07   

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

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