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: 206

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-206 A Natick MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-206 0 Natick MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2018-12-07   
508-206 1 Natick MA   515J IP HORIZON LLC 128   2019-04-26   
508-206 2 Natick MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2018-04-02   
508-206 3 Natick MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2018-04-01   
508-206 4 Natick MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2018-04-01   
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   
508-206 8 Natick MA   892D ONVOY, LLC - MA 128   2019-07-01   
508-206 9 Natick MA   892D ONVOY, LLC - MA 128   2019-07-01   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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