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: 617

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-617 A Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-617 0 Danbury CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-617 1 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-617 2 Danbury CT HRFRCT0383Z  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-617 3 Danbury CT HRFRCT0383Z  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-617 4 Danbury CT SMFRCT0162Z  3863 CTC COMMUNICATIONS CORP. - CT 920      
203-617 5 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-617 6 Danbury CT HRFRCT0383Z  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-617 7 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-617 8 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-617 9 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      

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

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