Local Calling Guide

Area code/prefix search

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NPA: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 833

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-833 A Waltham MA WLHMMAWEDS1  9102 VERIZON NEW ENGLAND INC. 128      
781-833 0 Waltham MA   829J PAETEC ITEL, LLC 128   2014-09-23   
781-833 1 Waltham MA WLHMMAWEDS1  9102 VERIZON NEW ENGLAND INC. 128      
781-833 2 Waltham MA WLHMMAWEDS1  9102 VERIZON NEW ENGLAND INC. 128      
781-833 3 Waltham MA WLHMMAWEDS1  9102 VERIZON NEW ENGLAND INC. 128      
781-833 4 Waltham MA WLHMMAWEDS1  9102 VERIZON NEW ENGLAND INC. 128      
781-833 5 Waltham MA WLHMMAWEDS1  9102 VERIZON NEW ENGLAND INC. 128      
781-833 6 Waltham MA WLHMMAWEDS1  9102 VERIZON NEW ENGLAND INC. 128      
781-833 7 Waltham MA WLHMMAWEDS1  9102 VERIZON NEW ENGLAND INC. 128      
781-833 8 Waltham MA WLHMMAWEDS1  9102 VERIZON NEW ENGLAND INC. 128      
781-833 9 Waltham MA WLHMMAWEDS1  9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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