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: NRTNMAAACM4

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
774-266 1 Mansfield MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-08-27   
774-266 2 Mansfield MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-02-07   
774-267 A Northboro MA 5562 METROPCS, INC. 128      
774-267 1 Northboro MA 5562 METROPCS, INC. 128      
774-267 9 Northboro MA 5562 METROPCS, INC. 128      
774-275 9 Shrewsbury MA 5562 METROPCS, INC. 128   2008-01-03   
774-285 A Marlboro MA 5562 METROPCS, INC. 128      
774-285 0 Marlboro MA 5562 METROPCS, INC. 128      
774-285 1 Marlboro MA 5562 METROPCS, INC. 128      
774-285 2 Marlboro MA 5562 METROPCS, INC. 128      
774-285 3 Marlboro MA 5562 METROPCS, INC. 128      
774-285 4 Marlboro MA 5562 METROPCS, INC. 128      
774-285 6 Marlboro MA 5562 METROPCS, INC. 128      
774-285 9 Marlboro MA 5562 METROPCS, INC. 128      
774-286 A Natick MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-286 0 Natick MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-286 1 Natick MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-286 2 Natick MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-286 5 Natick MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-286 6 Natick MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-286 7 Natick MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-286 8 Natick MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-286 9 Natick MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-287 A Shrewsbury MA 5562 METROPCS, INC. 128      
774-287 0 Shrewsbury MA 5562 METROPCS, INC. 128      
774-287 1 Shrewsbury MA 5562 METROPCS, INC. 128      
774-287 2 Shrewsbury MA 5562 METROPCS, INC. 128      
774-287 3 Shrewsbury MA 5562 METROPCS, INC. 128      
774-287 4 Shrewsbury MA 5562 METROPCS, INC. 128      
774-287 5 Shrewsbury MA 5562 METROPCS, INC. 128      
774-287 6 Shrewsbury MA 5562 METROPCS, INC. 128      
774-287 7 Shrewsbury MA 5562 METROPCS, INC. 128      
774-287 8 Shrewsbury MA 5562 METROPCS, INC. 128      
774-287 9 Shrewsbury MA 5562 METROPCS, INC. 128      
774-288 A Westboro MA 5562 METROPCS, INC. 128      
774-288 0 Westboro MA 5562 METROPCS, INC. 128      
774-288 9 Westboro MA 5562 METROPCS, INC. 128      
774-289 A Auburn MA 5562 METROPCS, INC. 128      
774-289 0 Auburn MA 5562 METROPCS, INC. 128      
774-289 1 Auburn MA 5562 METROPCS, INC. 128      
774-289 2 Auburn MA 5562 METROPCS, INC. 128      
774-289 3 Auburn MA 5562 METROPCS, INC. 128      
774-289 4 Auburn MA 5562 METROPCS, INC. 128      
774-289 5 Auburn MA 5562 METROPCS, INC. 128      
774-289 6 Auburn MA 5562 METROPCS, INC. 128      
774-289 7 Auburn MA 5562 METROPCS, INC. 128      
774-289 8 Auburn MA 5562 METROPCS, INC. 128      
774-289 9 Auburn MA 5562 METROPCS, INC. 128      
774-290 3 Natick MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2016-12-10   
774-290 8 Natick MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-11-09   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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