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: 689

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-689 A Guilford CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-689 0 Guilford CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
203-689 1 Guilford CT NWHNCT030MD  3863 CTC COMMUNICATIONS CORP. - CT 920      
203-689 2 Guilford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-689 3 Guilford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-689 4 Guilford CT GUFDCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-689 5 Guilford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-689 6 Guilford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-689 7 Guilford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-689 8 Guilford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-689 9 Guilford CT NWHNCT02X5X  7421 AT&T - LOCAL 920      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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