Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX: 553

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-553 A New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 0 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 1 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 2 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 3 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 4 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 5 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 6 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 7 New Haven CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2008-09-26   
203-553 8 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 9 New Haven CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2011-08-26   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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