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.
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Switch: NRTNMAAACM4

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
978-360 A Haverhill MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-09   
978-361 A Haverhill MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-375 A Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-09   
978-390 A Lawrence MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-394 A Acton MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-397 A Lawrence MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-404 A Wilmington MA 5562 METROPCS, INC. 128      
978-406 A Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-408 A Billerica MA 5562 METROPCS, INC. 128      
978-413 A Westford MA 5562 METROPCS, INC. 128      
978-417 A Newburyport MA 5562 METROPCS, INC. 128      
978-423 A Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-09   
978-427 A Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-457 A Haverhill MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-471 A Ipswich MA 5562 METROPCS, INC. 128      
978-473 A Beverly MA 5562 METROPCS, INC. 128      
978-476 A Haverhill MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-479 A Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-09   
978-490 A Westford MA 5562 METROPCS, INC. 128      
978-504 A Amesbury MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-509 A Lawrence MA 5562 METROPCS, INC. 128      
978-512 A Tyngsboro MA 5562 METROPCS, INC. 128      
978-580 A Concord MA 5562 METROPCS, INC. 128      
978-590 A Lawrence MA 5562 METROPCS, INC. 128      
978-601 A Lawrence MA 5562 METROPCS, INC. 128      
978-641 A Haverhill MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-726 A Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-09   
978-736 A Lawrence MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-751 A Leominster MA 5562 METROPCS, INC. 128   2024-01-09   
978-804 A Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-09   
978-815 A Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-09   
978-828 A Lawrence MA 5562 METROPCS, INC. 128      
978-833 A Leominster MA 5562 METROPCS, INC. 128      
978-836 A Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-853 A Lawrence MA 5562 METROPCS, INC. 128      
978-869 A Lawrence MA 5562 METROPCS, INC. 128      
978-876 A Lawrence MA 5562 METROPCS, INC. 128      
978-884 A Lawrence MA 5562 METROPCS, INC. 128      
978-885 A Lawrence MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-902 A Lawrence MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-908 A Acton MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-912 A Haverhill MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-930 A Billerica MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-943 A Lawrence MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-962 A Leominster MA 5562 METROPCS, INC. 128   2024-01-09   
978-972 A Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-985 A Lawrence MA 5562 METROPCS, INC. 128      
978-996 A Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      

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

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