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: 305

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-305 A Marlboro MA FRMNMAWADS0  7421 AT&T - LOCAL 128      
508-305 0 Marlboro MA FRMNMAWADS0  7421 AT&T - LOCAL 128      
508-305 1 Marlboro MA FRMNMAWADS0  7421 AT&T - LOCAL 128      
508-305 2 Marlboro MA NWTNMAWAVMD  318J COMCAST IP PHONE LLC 128   2007-02-08   
508-305 3 Marlboro MA FRMNMAWADS0  7421 AT&T - LOCAL 128      
508-305 4 Marlboro MA FRMNMAWADS0  7421 AT&T - LOCAL 128      
508-305 5 Marlboro MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2019-03-22   
508-305 6 Marlboro MA FRMNMAWADS0  7421 AT&T - LOCAL 128      
508-305 7 Marlboro MA FRMNMAWADS0  7421 AT&T - LOCAL 128      
508-305 8 Marlboro MA FRMNMAWADS0  7421 AT&T - LOCAL 128      
508-305 9 Marlboro MA FRMNMAWADS0  7421 AT&T - LOCAL 128      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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