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
339-217 A Duxbury MA 318J COMCAST IP PHONE, LLC 128      
339-231 A Saugus MA 318J COMCAST IP PHONE, LLC 128      
339-469 A Rockland MA 318J COMCAST IP PHONE, LLC 128      
351-207 A Georgetown MA 318J COMCAST IP PHONE, LLC 128      
351-219 A Danvers MA 318J COMCAST IP PHONE, LLC 128      
508-251 A Marlboro MA 318J COMCAST IP PHONE, LLC 128      
508-276 A Wayland MA 318J COMCAST IP PHONE, LLC 128      
508-297 A Easton MA 318J COMCAST IP PHONE, LLC 128      
508-316 A North Attleboro MA 318J COMCAST IP PHONE, LLC 128      
508-321 A Medway MA 318J COMCAST IP PHONE, LLC 128      
508-348 A Chatham MA 318J COMCAST IP PHONE, LLC 128   2024-02-16   
508-381 A Milford MA 318J COMCAST IP PHONE, LLC 128      
508-386 A Taunton MA 318J COMCAST IP PHONE, LLC 128      
508-455 A Attleboro MA 318J COMCAST IP PHONE, LLC 128      
508-456 A East Bridgewater MA 318J COMCAST IP PHONE, LLC 128      
508-465 A Carver MA 318J COMCAST IP PHONE, LLC 128      
508-545 A Natick MA 318J COMCAST IP PHONE, LLC 128      
508-557 A Seekonk MA 318J COMCAST IP PHONE, LLC 128      
508-567 A Fall River MA 318J COMCAST IP PHONE, LLC 128      
508-622 A Norton MA 318J COMCAST IP PHONE, LLC 128      
508-625 A Hopkinton MA 318J COMCAST IP PHONE, LLC 128      
508-657 A Bellingham MA 318J COMCAST IP PHONE, LLC 128      
508-794 A Millis MA 318J COMCAST IP PHONE, LLC 128      
508-807 A Bridgewater MA 318J COMCAST IP PHONE, LLC 128      
508-857 A Brockton MA 318J COMCAST IP PHONE, LLC 128      
508-928 A Blackstone MA 318J COMCAST IP PHONE, LLC 128      
617-207 A Winthrop MA 318J COMCAST IP PHONE, LLC 128      
617-294 A Everett MA 318J COMCAST IP PHONE, LLC 128      
617-322 A Milton MA 318J COMCAST IP PHONE, LLC 128      
617-466 A Chelsea MA 318J COMCAST IP PHONE, LLC 128      
617-481 A Quincy MA 318J COMCAST IP PHONE, LLC 128      
617-744 A Watertown MA 318J COMCAST IP PHONE, LLC 128      
617-764 A Somerville MA 318J COMCAST IP PHONE, LLC 128      
617-910 A Hyde Park MA 318J COMCAST IP PHONE, LLC 128      
617-916 A Newton MA 318J COMCAST IP PHONE, LLC 128      
617-944 A Everett MA 318J COMCAST IP PHONE, LLC 128      
617-945 A Cambridge MA 318J COMCAST IP PHONE, LLC 128      
774-202 A New Bedford MA 318J COMCAST IP PHONE, LLC 128      
774-215 A Foxboro MA 318J COMCAST IP PHONE, LLC 128      
774-233 A Holliston MA 318J COMCAST IP PHONE, LLC 128      
774-355 A Buzzards Bay MA 318J COMCAST IP PHONE, LLC 128      
774-373 A Middleboro MA 318J COMCAST IP PHONE, LLC 128      
774-426 A Plymouth MA 318J COMCAST IP PHONE, LLC 128      
774-549 A Edgartown MA 318J COMCAST IP PHONE, LLC 128      
774-565 A Rehoboth MA 318J COMCAST IP PHONE, LLC 128      
774-582 A Mattapoisett MA 318J COMCAST IP PHONE, LLC 128      
774-678 A Wareham MA 318J COMCAST IP PHONE, LLC 128      
774-719 A Mansfield MA 318J COMCAST IP PHONE, LLC 128      
774-801 A Orleans MA 318J COMCAST IP PHONE, LLC 128      
774-849 A Rochester MA 318J COMCAST IP PHONE, LLC 128      

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

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