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 OCN LATA LIR Eff date Disc date
781-679 7 Kingston MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2023-12-30   
781-758 9 Reading MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2023-06-05   
781-804 6 Hingham MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2023-07-14   
781-947 6 Lynn MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2023-06-22   
857-354 6 Boston MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2024-07-27   
857-428 6 Everett MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2024-06-10   
857-550 6 Belmont MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2024-05-16   
857-858 7 Newton MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2023-06-05   
978-200 3 Lowell MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2024-06-13   
978-229 6 Wilmington MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2023-06-05   
978-233 6 Hamilton MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2023-06-05   
978-451 5 Concord MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2023-06-08   
978-488 7 Billerica MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2024-06-13   
978-730 2 Gardner MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2023-06-05   
978-736 7 Lawrence MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2023-06-08   
978-765 4 Clinton MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2023-06-08   
978-796 0 Ayer MA 490J BOOST SUBSCRIBERCO L.L.C. 128   2024-06-13   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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