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: 506J TWILIO INTERNATIONAL, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
857-437 4 Roxbury MA BSTPMALLZMD  128   2020-12-19   
857-520 7 Hyde Park MA BSTPMALLZMD  128   2020-12-19   
857-567 5 Dorchester MA BSTPMALLZMD  128   2020-12-19   
857-578 A Newton MA BSTPMALLZMD  128      
857-578 5 Newton MA BSTPMALLZMD  128   2020-12-11   
857-728 7 Jamaica Plain MA BSTPMALLZMD  128   2020-12-19   
857-755 7 Quincy MA BSTPMALLZMD  128   2020-12-19   
857-766 7 South Boston MA BSTPMALLZMD  128   2020-12-19   
857-776 5 Chelsea MA BSTPMALLZMD  128   2020-12-19   
857-837 8 Charlestown MA BSTPMALLZMD  128   2020-12-19   
857-877 8 Brighton MA BSTPMALLZMD  128   2020-12-19   
858-310 A Rancho Santa Fe CA SNDGCA0269Z  732      
858-310 3 Rancho Santa Fe CA SNDGCA0269Z  732   2021-07-17   
858-319 0 La Jolla CA SNDGCA0269Z  732   2021-08-17   
858-365 4 Rancho Penasquitos CA SNDGCA0269Z  732   2021-08-17   
858-377 3 Poway CA SNDGCA0269Z  732   2021-09-13   
858-422 5 Coronado CA SNDGCA0269Z  732   2021-12-05   
858-477 5 San Diego: San Diego DA CA SNDGCA0269Z  732   2021-08-17   
858-933 2 Del Mar CA SNDGCA0269Z  732   2021-10-16   
858-944 5 San Diego: Linda Vista DA CA SNDGCA0269Z  732   2021-09-13   
858-955 2 Pine Valley CA SNDGCA0269Z  732   2021-08-17   
859-214 3 Versailles KY LXTNKYXAXNZ  466   2021-07-17   
859-215 2 Wilmore KY LXTNKYXAXNZ  466   2021-07-17   
859-216 5 North Middletown KY LXTNKYXAXNZ  466   2021-07-17   
859-217 7 Springfield KY LXTNKYXAXNZ  466   2021-07-17   
859-305 4 Nicholasville KY LXTNKYXAXNZ  466   2021-07-17   
859-329 4 Danville KY LXTNKYXAXNZ  466   2021-07-17   
859-376 2 Waco KY LXTNKYXAXNZ  466   2021-07-17   
859-398 7 Mount Sterling KY LXTNKYXAXNZ  466   2021-07-17   
859-423 4 Mooresville KY LXTNKYXAXNZ  466   2021-07-17   
859-437 6 Ford KY LXTNKYXAXNZ  466   2021-07-17   
859-451 4 Winchester KY LXTNKYXAXNZ  466   2021-07-17   
859-465 4 Millersburg KY LXTNKYXAXNZ  466   2021-07-17   
859-476 4 Midway KY LXTNKYXAXNZ  466   2021-07-17   
859-535 5 Mackville KY LXTNKYXAXNZ  466   2021-07-17   
859-599 A Cornishville KY LXTNKYXAXNZ  466      
859-599 2 Cornishville KY LXTNKYXAXNZ  466   2021-08-07   
859-646 5 Berea KY LXTNKYXAXNZ  466   2021-07-17   
859-651 4 Carlisle KY LXTNKYXAXNZ  466   2021-07-17   
859-658 2 Cynthiana KY LXTNKYXAXNZ  466   2021-07-17   
859-696 3 Willisburg KY LXTNKYXAXNZ  466   2021-07-17   
859-719 8 Lancaster KY LXTNKYXAXNZ  466   2021-07-17   
859-754 5 Bryantsville KY LXTNKYXAXNZ  466   2021-07-17   
859-765 2 Paris KY LXTNKYXAXNZ  466   2021-07-17   
859-766 5 Perryville KY LXTNKYXAXNZ  466   2021-07-17   
859-894 A Lexington KY LXTNKYXAXNZ  466      
859-894 8 Lexington KY LXTNKYXAXNZ  466   2021-07-07   
859-946 2 Kirksville KY LXTNKYXAXNZ  466   2021-07-17   
859-974 7 Harrodsburg KY LXTNKYXAXNZ  466   2021-07-17   
860-219 2 Windsor CT HRFRCTBC7MD  920   2021-04-05   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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