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: CMBRMABENMD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-715 1 East Bridgewater MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-715 3 East Bridgewater MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-715 6 East Bridgewater MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-715 8 East Bridgewater MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-715 9 East Bridgewater MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-734 2 Walpole MA 624H ONVOY SPECTRUM, LLC 128   2021-11-11   
508-734 7 Walpole MA 624H ONVOY SPECTRUM, LLC 128   2021-11-11   
508-770 3 Worcester MA 624H ONVOY SPECTRUM, LLC 128   2021-02-24   
508-770 5 Worcester MA 624H ONVOY SPECTRUM, LLC 128   2021-02-24   
508-803 3 Franklin MA 624H ONVOY SPECTRUM, LLC 128   2021-04-08   
508-921 2 Walpole MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-921 5 Walpole MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-934 4 Dover MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-938 3 Westport MA 624H ONVOY SPECTRUM, LLC 128   2021-05-04   
508-938 8 Westport MA 624H ONVOY SPECTRUM, LLC 128   2021-12-21   
508-960 4 Natick MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-960 5 Natick MA 624H ONVOY SPECTRUM, LLC 128   2021-02-24   
508-961 6 New Bedford MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-969 0 Framingham MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-969 2 Framingham MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-969 8 Framingham MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-975 2 Natick MA 624H ONVOY SPECTRUM, LLC 128   2021-09-09   
508-975 9 Natick MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
617-202 7 Brighton MA 624H ONVOY SPECTRUM, LLC 128   2024-06-24   
617-210 2 Boston MA 624H ONVOY SPECTRUM, LLC 128   2022-03-18   
617-214 4 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2024-06-24   
617-214 5 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2024-06-24   
617-214 6 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2024-06-24   
617-214 7 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-214 8 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-214 9 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-239 1 Boston MA 624H ONVOY SPECTRUM, LLC 128   2024-09-11   
617-263 5 Boston MA 624H ONVOY SPECTRUM, LLC 128   2021-05-24   
617-263 9 Boston MA 624H ONVOY SPECTRUM, LLC 128   2021-11-06   
617-271 7 East Boston MA 624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-273 7 Milton MA 624H ONVOY SPECTRUM, LLC 128   2021-11-11   
617-295 4 Boston MA 624H ONVOY SPECTRUM, LLC 128   2022-03-25   
617-299 5 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2022-05-29   
617-300 7 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2021-02-23   
617-333 1 Hyde Park MA 624H ONVOY SPECTRUM, LLC 128   2022-02-20   
617-360 4 Hyde Park MA 624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-397 1 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2021-02-23   
617-397 6 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2021-11-06   
617-402 9 Watertown MA 624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-408 0 Hyde Park MA 624H ONVOY SPECTRUM, LLC 128   2021-12-21   
617-408 1 Hyde Park MA 624H ONVOY SPECTRUM, LLC 128   2021-04-09   
617-444 6 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2021-11-06   
617-460 8 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-465 4 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2021-11-06   
617-465 7 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2021-11-06   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.