Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 624

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-624 A Colrain MA CLRNMAYARS1  9102 VERIZON NEW ENGLAND INC. 126      
413-624 0 Colrain MA   9102 VERIZON NEW ENGLAND INC. 126      
413-624 1 Colrain MA   9102 VERIZON NEW ENGLAND INC. 126      
413-624 2 Colrain MA   892D ONVOY, LLC - MA 126   2021-12-19   
413-624 3 Colrain MA   9102 VERIZON NEW ENGLAND INC. 126      
413-624 4 Colrain MA   990E BANDWIDTH.COM CLEC, LLC - MA 126   2002-02-25   
413-624 5 Colrain MA   9102 VERIZON NEW ENGLAND INC. 126      
413-624 6 Colrain MA   990E BANDWIDTH.COM CLEC, LLC - MA 126   2008-12-06   
413-624 7 Colrain MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 126   2004-09-04   
413-624 8 Colrain MA   145J TERRA NOVA TELECOM INC. 126   2022-06-20   
413-624 9 Colrain MA   9102 VERIZON NEW ENGLAND INC. 126      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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