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.

Switch: BSTNMABLOMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
339-545 A Medford MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
351-203 A Tyngsboro MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
351-228 A Andover MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
351-229 A Amesbury MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-290 A Northboro MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-301 A Taunton MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-327 A Auburn MA 9748 AMERICAN MESSAGING SERVICES, LLC 128      
508-426 A Auburn MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-470 A Dennis MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-492 A Walpole MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-537 A Auburn MA 9748 AMERICAN MESSAGING SERVICES, LLC 128      
508-722 A Auburn MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-727 A Auburn MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-806 A Auburn MA 9748 AMERICAN MESSAGING SERVICES, LLC 128      
508-834 A Framingham MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-899 A Auburn MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-955 A Chilmark MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-362 A Hyde Park MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-403 A Brighton MA 9748 AMERICAN MESSAGING SERVICES, LLC 128      
617-419 A Boston MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-430 A Cambridge MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-453 A Cambridge MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-465 A Cambridge MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-468 A Cambridge MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-546 A Newton MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-586 A Brighton MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-644 A Newton MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-675 A Hyde Park MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-798 A Cambridge MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-804 A Quincy MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-857 A Brookline MA 990E BANDWIDTH.COM CLEC, LLC - MA 128   2024-11-29   
617-865 A Boston MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-882 A Newton MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-294 A Fall River MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-298 A Oakham MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-315 A Walpole MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-325 A Nantucket MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-326 A Wareham MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-338 A Sagamore MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-341 A Holliston MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-371 A Spencer MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-385 A Rutland MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-390 A Southgate MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-393 A Shrewsbury MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-399 A Westboro MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-415 A Auburn MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-462 A Milford MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-507 A Medway MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-515 A Boylston MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-593 A Provincetown MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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