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.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
339-205 1 Weymouth MA   128   2013-09-22   
339-210 0 Saugus MA   128   2016-07-01   
339-215 0 Lexington MA   128   2016-07-01   
339-216 1 Randolph MA   128   2016-07-01   
339-228 0 Lynn MA   128   2021-11-28   
339-329 0 Marblehead MA   128   2021-11-28   
339-333 1 Lincoln MA   128   2015-10-26   
339-565 0 Lincoln MA   128   2021-11-28   
339-707 8 Arlington MA   128   2015-03-27   
339-777 0 Needham MA   128   2015-03-22   
339-777 8 Needham MA   128   2015-10-16   
339-777 9 Needham MA   128   2017-07-06   
339-900 1 Marshfield MA   128   2015-10-18   
341-200 7 Hercules-Rodeo CA SNFCCAMKX6Y  722   2021-05-01   
341-201 1 Fremont-Newark: Oliver DA CA SNFCCAMKX6Y  722   2021-05-01   
341-226 7 Oakland: Fruitvale DA CA SNFCCAMKX6Y  722   2021-05-01   
341-234 9 Oakland: Alameda DA CA SNFCCAMKX6Y  722   2021-05-01   
341-314 9 El Sobrante-Pinole CA SNFCCAMKX6Y  722   2021-05-01   
341-336 2 Fremont-Newark: Greenleaf DA CA SNFCCAMKX6Y  722   2021-05-01   
341-900 1 Crockett CA SNFCCAMKX6Y  722   2021-05-01   
341-946 0 Oakland: Berkeley DA CA SNFCCAMKX6Y  722   2021-05-01   
346-205 9 Langham Creek TX   560   2016-04-01   
346-208 1 Dickinson TX   560   2015-03-29   
346-209 8 Liverpool TX   560   2017-12-15   
346-215 9 Alvin TX   560   2015-03-23   
346-216 5 Baytown TX   560   2016-03-28   
346-220 9 Spring TX   560   2016-03-28   
346-222 8 La Porte TX   560   2016-01-04   
346-222 9 La Porte TX   560   2015-03-23   
346-226 0 Houston TX   560   2016-03-28   
346-226 1 Houston TX   560   2016-03-28   
346-230 8 Apollo TX   560   2017-12-15   
346-230 9 Apollo TX   560   2018-12-08   
346-239 2 Richmond-Rosenberg TX   560   2016-01-11   
346-239 6 Richmond-Rosenberg TX   560   2016-03-28   
346-248 0 Pinehurst TX   560   2016-03-28   
346-251 9 Barker TX   560   2016-04-01   
346-252 1 Houston Suburban TX   560   2016-04-01   
346-256 8 Houston TX   560   2017-07-14   
346-257 0 Katy TX   560   2017-07-14   
346-258 9 Sheldon TX   560   2017-12-15   
346-260 2 Satsuma TX   560   2016-04-01   
346-272 1 Houston TX   560   2017-12-15   
346-272 8 Houston TX   560   2017-12-15   
346-278 0 Manvel TX   560   2017-12-15   
346-280 8 Cypress TX   560   2017-12-24   
346-292 0 Baytown TX   560   2018-12-08   
346-301 8 Splendora TX   560   2017-12-15   
346-304 7 Stafford TX   560   2016-04-01   
346-315 2 Deer Park TX   560   2016-04-01   
346-321 3 Channelview TX   560   2016-04-01   
346-323 9 Humble TX   560   2017-07-14   
346-345 0 Humble TX   560   2018-12-10   
346-345 1 Humble TX   560   2018-12-10   
346-354 4 Houston TX   560   2018-12-09   
346-354 5 Houston TX   560   2018-12-09   
346-357 6 Houston Suburban TX   560   2018-12-09   
346-357 7 Houston Suburban TX   560   2018-12-09   
346-359 3 Liverpool TX   560   2025-05-01   
346-362 2 Sheldon TX   560   2025-03-02   
346-368 0 Sugar Land TX   560   2016-04-18   
346-378 0 Houston Suburban TX   560   2019-05-18   
346-378 1 Houston Suburban TX   560   2019-05-18   
346-402 1 Cleveland TX   560   2016-01-04   
346-438 A Houston TX HSTNTXYAOMD  560      
346-438 1 Houston TX   560   2020-11-19   
346-459 8 Spring TX   560   2021-06-05   
346-460 0 Bammel TX   560   2021-06-22   
346-462 2 Cypress TX   560   2021-07-02   
346-484 7 Sheldon TX   560   2025-03-02   
346-486 5 Liverpool TX   560   2025-05-01   
346-515 6 Richmond-Rosenberg TX HSTNTXYAOMD  560   2021-03-26   
346-536 0 Satsuma TX HSTNTXYAOMD  560   2021-03-21   
346-576 1 Barker TX HSTNTXYAOMD  560   2021-03-21   
346-617 1 Dickinson TX   560   2016-03-28   
346-640 0 Langham Creek TX HSTNTXYAOMD  560   2021-03-21   
346-645 2 Tomball TX HSTNTXYAOMD  560   2021-03-21   
346-654 4 Pinehurst TX   560   2025-05-01   
346-654 8 Pinehurst TX   560   2025-05-01   
346-686 1 Manvel TX   560   2025-03-02   
346-686 3 Manvel TX   560   2025-03-02   
346-705 0 Channelview TX HSTNTXYAOMD  560   2024-01-03   
346-707 9 Valley Lodge TX   560   2017-12-15   
346-713 4 Smithers Lake TX   560   2025-05-04   
346-713 5 Smithers Lake TX   560   2025-05-04   
346-713 8 Smithers Lake TX HSTNTXYAOMD  560   2024-01-03   
346-713 9 Smithers Lake TX HSTNTXYAOMD  560   2024-01-03   
346-735 6 Alvin TX   560   2025-03-01   
346-735 7 Alvin TX   560   2025-03-01   
346-784 7 Seabrook TX   560   2025-03-02   
346-784 8 Seabrook TX   560   2025-03-02   
346-790 1 La Porte TX   560   2025-03-01   
346-790 2 La Porte TX   560   2025-03-01   
346-797 8 Westfield TX   560   2025-03-02   
346-797 9 Westfield TX   560   2025-03-02   
346-798 2 Friendswood TX   560   2025-03-01   
346-798 3 Friendswood TX   560   2025-03-01   
346-808 9 Tomball TX   560   2016-03-28   
346-815 1 Apollo TX   560   2018-12-08   
346-821 8 Splendora TX   560   2025-03-02   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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