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: CMBRMAMQDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
339-230 A Sharon MA 4536 XO MASSACHUSETTS, INC. 128      
508-310 A Natick MA 4536 XO MASSACHUSETTS, INC. 128      
508-318 A Natick MA 4536 XO MASSACHUSETTS, INC. 128      
508-401 A Wayland MA 4536 XO MASSACHUSETTS, INC. 128      
508-458 A Milford MA 4536 XO MASSACHUSETTS, INC. 128      
508-463 A Attleboro MA 4536 XO MASSACHUSETTS, INC. 128      
508-484 A Brockton MA 4536 XO MASSACHUSETTS, INC. 128      
508-589 A Hopkinton MA 4536 XO MASSACHUSETTS, INC. 128      
508-597 A Marlboro MA 4536 XO MASSACHUSETTS, INC. 128      
508-618 A Mansfield MA 4536 XO MASSACHUSETTS, INC. 128      
508-637 A North Brookfield MA 4536 XO MASSACHUSETTS, INC. 128      
508-663 A Framingham MA 4536 XO MASSACHUSETTS, INC. 128      
508-691 A Northboro MA 4536 XO MASSACHUSETTS, INC. 128      
508-718 A Foxboro MA 4536 XO MASSACHUSETTS, INC. 128      
508-739 A Framingham MA 4536 XO MASSACHUSETTS, INC. 128      
508-796 A Worcester MA 4536 XO MASSACHUSETTS, INC. 128      
508-803 A Franklin MA 4536 XO MASSACHUSETTS, INC. 128      
508-983 A Westboro MA 4536 XO MASSACHUSETTS, INC. 128      
617-203 A Everett MA 4536 XO MASSACHUSETTS, INC. 128      
617-208 A Brighton MA 4536 XO MASSACHUSETTS, INC. 128      
617-224 A Boston MA 4536 XO MASSACHUSETTS, INC. 128      
617-238 A Roxbury MA 4536 XO MASSACHUSETTS, INC. 128      
617-326 A Dorchester MA 4536 XO MASSACHUSETTS, INC. 128      
617-370 A Chelsea MA 4536 XO MASSACHUSETTS, INC. 128      
617-399 A Boston MA 4536 XO MASSACHUSETTS, INC. 128      
617-446 A Dorchester MA 4536 XO MASSACHUSETTS, INC. 128      
617-477 A Jamaica Plain MA 4536 XO MASSACHUSETTS, INC. 128      
617-516 A Roxbury MA 4536 XO MASSACHUSETTS, INC. 128      
617-597 A Newton MA 4536 XO MASSACHUSETTS, INC. 128      
617-607 A Watertown MA 4536 XO MASSACHUSETTS, INC. 128      
617-608 A Brookline MA 4536 XO MASSACHUSETTS, INC. 128      
617-614 A Newton MA 4536 XO MASSACHUSETTS, INC. 128      
617-649 A Cambridge MA 4536 XO MASSACHUSETTS, INC. 128      
617-668 A Watertown MA 4536 XO MASSACHUSETTS, INC. 128      
617-681 A Charlestown MA 4536 XO MASSACHUSETTS, INC. 128      
617-684 A Somerville MA 4536 XO MASSACHUSETTS, INC. 128      
617-701 A South Boston MA 4536 XO MASSACHUSETTS, INC. 128      
617-716 A East Boston MA 4536 XO MASSACHUSETTS, INC. 128      
617-845 A Quincy MA 4536 XO MASSACHUSETTS, INC. 128      
617-860 A Brookline MA 4536 XO MASSACHUSETTS, INC. 128      
617-890 A Quincy MA 4536 XO MASSACHUSETTS, INC. 128      
617-896 A Boston MA 4536 XO MASSACHUSETTS, INC. 128      
617-917 A Everett MA 4536 XO MASSACHUSETTS, INC. 128      
617-941 A Somerville MA 4536 XO MASSACHUSETTS, INC. 128      
617-977 A Belmont MA 4536 XO MASSACHUSETTS, INC. 128      
617-995 A Cambridge MA 4536 XO MASSACHUSETTS, INC. 128      
774-256 A Walpole MA 4536 XO MASSACHUSETTS, INC. 128      
774-306 A North Attleboro MA 4536 XO MASSACHUSETTS, INC. 128      
774-308 A Marlboro MA 4536 XO MASSACHUSETTS, INC. 128      
774-430 A Norton MA 4536 XO MASSACHUSETTS, INC. 128      

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Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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