Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 622

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-622 A Waltham MA WLHMMAWEDS1  9102 VERIZON NEW ENGLAND INC. 128      
781-622 0 Waltham MA   9102 VERIZON NEW ENGLAND INC. 128      
781-622 1 Waltham MA   9102 VERIZON NEW ENGLAND INC. 128      
781-622 2 Waltham MA   9102 VERIZON NEW ENGLAND INC. 128      
781-622 3 Waltham MA   9102 VERIZON NEW ENGLAND INC. 128      
781-622 4 Waltham MA   9102 VERIZON NEW ENGLAND INC. 128      
781-622 5 Waltham MA   9102 VERIZON NEW ENGLAND INC. 128      
781-622 6 Waltham MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-11-25   
781-622 7 Waltham MA   9102 VERIZON NEW ENGLAND INC. 128      
781-622 8 Waltham MA   9102 VERIZON NEW ENGLAND INC. 128      
781-622 9 Waltham MA   892D ONVOY, LLC - MA 128   2014-12-10   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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