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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-203 A Easthampton MA SPFDMAPM4MD  318J COMCAST IP PHONE, LLC 126      
413-203 0 Easthampton MA SPFDMAWOXIY  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 126   2016-03-12   
413-203 1 Easthampton MA   792K CHARTER IP ENABLED SERVICES, LLC 126   2005-11-27   
413-203 2 Easthampton MA   792K CHARTER IP ENABLED SERVICES, LLC 126   2012-07-22   
413-203 3 Easthampton MA SPFDMAPM4MD  318J COMCAST IP PHONE, LLC 126   2004-04-27   
413-203 4 Easthampton MA SPFDMAWOXIY  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 126   2004-04-10   
413-203 5 Easthampton MA   792K CHARTER IP ENABLED SERVICES, LLC 126   2007-12-09   
413-203 6 Easthampton MA SPFDMAWOXIY  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 126   2006-05-25   
413-203 8 Easthampton MA SPFDMA70DS0  745B CROCKER TELECOMMUNICATIONS, LLC - MA 126   2007-03-06   
413-203 9 Easthampton MA SPFDMAWOXTY  990E BANDWIDTH.COM CLEC, LLC - MA 126   2010-10-21   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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