Local Calling Guide

Area code/prefix search

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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-377 A Boston MA   829J PAETEC ITEL, LLC 128      
857-377 0 Boston MA   829J PAETEC ITEL, LLC 128   2014-06-08   
857-377 1 Boston MA   829J PAETEC ITEL, LLC 128   2014-06-08   
857-377 2 Boston MA   829J PAETEC ITEL, LLC 128   2014-06-08   
857-377 3 Boston MA   829J PAETEC ITEL, LLC 128   2014-06-08   
857-377 4 Boston MA   829J PAETEC ITEL, LLC 128   2014-06-08   
857-377 5 Boston MA   829J PAETEC ITEL, LLC 128   2014-06-08   
857-377 6 Boston MA   829J PAETEC ITEL, LLC 128   2014-06-08   
857-377 7 Boston MA   829J PAETEC ITEL, LLC 128   2014-06-08   
857-377 8 Boston MA   829J PAETEC ITEL, LLC 128   2014-06-08   
857-377 9 Boston MA   829J PAETEC ITEL, LLC 128   2014-06-08   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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