Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-310 A Natick MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-310 0 Natick MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-310 1 Natick MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-310 2 Natick MA   145J TERRA NOVA TELECOM INC. 128   2022-06-03   
508-310 3 Natick MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-02-04   
508-310 4 Natick MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-09   
508-310 5 Natick MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
508-310 6 Natick MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-09   
508-310 7 Natick MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-310 8 Natick MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2019-02-09   
508-310 9 Natick MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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