Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
351-361 3 Ashby MA 624H ONVOY SPECTRUM, LLC 128   2021-05-17   
351-371 4 Westminster MA 624H ONVOY SPECTRUM, LLC 128   2022-01-20   
351-371 5 Westminster MA 624H ONVOY SPECTRUM, LLC 128   2022-01-20   
351-377 0 Peabody MA 624H ONVOY SPECTRUM, LLC 128   2022-02-05   
351-377 1 Peabody MA 624H ONVOY SPECTRUM, LLC 128   2022-02-05   
351-388 A Harvard MA 624H ONVOY SPECTRUM, LLC 128      
351-388 8 Harvard MA 624H ONVOY SPECTRUM, LLC 128   2021-05-17   
351-400 5 Essex MA 624H ONVOY SPECTRUM, LLC 128   2021-04-08   
351-465 1 Manchester MA 624H ONVOY SPECTRUM, LLC 128   2022-01-20   
351-465 2 Manchester MA 624H ONVOY SPECTRUM, LLC 128   2022-01-20   
351-500 4 Lowell MA 624H ONVOY SPECTRUM, LLC 128   2021-04-09   
351-501 A Hubbardston MA 624H ONVOY SPECTRUM, LLC 128      
351-501 5 Hubbardston MA 624H ONVOY SPECTRUM, LLC 128   2021-05-17   
351-529 4 Merrimac MA 624H ONVOY SPECTRUM, LLC 128   2021-04-11   
351-588 3 Haverhill MA 624H ONVOY SPECTRUM, LLC 128   2022-04-24   
351-588 4 Haverhill MA 624H ONVOY SPECTRUM, LLC 128   2022-04-24   
351-600 7 Peabody MA 624H ONVOY SPECTRUM, LLC 128   2021-04-12   
351-667 0 Acton MA 624H ONVOY SPECTRUM, LLC 128   2021-12-26   
351-667 1 Acton MA 624H ONVOY SPECTRUM, LLC 128   2021-12-26   
351-800 4 Winchendon MA 624H ONVOY SPECTRUM, LLC 128   2021-04-15   
351-900 4 Ipswich MA 624H ONVOY SPECTRUM, LLC 128   2021-02-25   
508-206 6 Natick MA 624H ONVOY SPECTRUM, LLC 128   2021-02-24   
508-206 7 Natick MA 624H ONVOY SPECTRUM, LLC 128   2021-02-24   
508-214 7 Wellfleet MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-214 8 Wellfleet MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-214 9 Wellfleet MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-219 3 Easton MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-219 9 Easton MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-262 A Seekonk MA 624H ONVOY SPECTRUM, LLC 128      
508-262 1 Seekonk MA 624H ONVOY SPECTRUM, LLC 128   2021-11-06   
508-262 3 Seekonk MA 624H ONVOY SPECTRUM, LLC 128   2021-09-03   
508-262 9 Seekonk MA 624H ONVOY SPECTRUM, LLC 128   2021-11-06   
508-267 9 Holden MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-275 4 Holliston MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-275 6 Holliston MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-275 8 Holliston MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-293 0 Hopkinton MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-293 3 Hopkinton MA 624H ONVOY SPECTRUM, LLC 128   2021-09-03   
508-293 4 Hopkinton MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-293 5 Hopkinton MA 624H ONVOY SPECTRUM, LLC 128   2021-11-06   
508-293 9 Hopkinton MA 624H ONVOY SPECTRUM, LLC 128   2021-11-06   
508-297 5 Easton MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-301 5 Taunton MA 624H ONVOY SPECTRUM, LLC 128   2021-11-06   
508-301 6 Taunton MA 624H ONVOY SPECTRUM, LLC 128   2021-11-06   
508-338 0 Vineyard Haven MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-338 1 Vineyard Haven MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-338 6 Vineyard Haven MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-338 8 Vineyard Haven MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-350 3 East Bridgewater MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-350 6 East Bridgewater MA 624H ONVOY SPECTRUM, LLC 128   2021-12-20   

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

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