Local Calling Guide

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

NXX: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-220 A Dorchester MA BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
857-220 0 Dorchester MA BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
857-220 1 Dorchester MA BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
857-220 2 Dorchester MA BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
857-220 3 Dorchester MA BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
857-220 4 Dorchester MA BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
857-220 5 Dorchester MA BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
857-220 6 Dorchester MA BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
857-220 7 Dorchester MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-03   
857-220 8 Dorchester MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-03   
857-220 9 Dorchester MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-03   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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