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: 452

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-452 A Mansfield MA   829J PAETEC ITEL, LLC 128      
508-452 0 Mansfield MA   829J PAETEC ITEL, LLC 128      
508-452 1 Mansfield MA   829J PAETEC ITEL, LLC 128      
508-452 2 Mansfield MA   892D ONVOY, LLC - MA 128   2019-07-01   
508-452 3 Mansfield MA   829J PAETEC ITEL, LLC 128      
508-452 4 Mansfield MA   829J PAETEC ITEL, LLC 128      
508-452 5 Mansfield MA   145J TERRA NOVA TELECOM INC. 128   2022-04-22   
508-452 6 Mansfield MA   892D ONVOY, LLC - MA 128   2010-04-07   
508-452 7 Mansfield MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-17   
508-452 8 Mansfield MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-17   
508-452 9 Mansfield MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2022-07-01   

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

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