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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-648 A Danbury CT SMFRCTPUDS0  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-648 0 Danbury CT   6664 SPRINT SPECTRUM L.P. 920   2003-07-22   
203-648 1 Danbury CT   6664 SPRINT SPECTRUM L.P. 920   2003-07-22   
203-648 2 Danbury CT   6664 SPRINT SPECTRUM L.P. 920   2003-10-11   
203-648 3 Danbury CT   6664 SPRINT SPECTRUM L.P. 920   2003-10-11   
203-648 4 Danbury CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-648 5 Danbury CT   6664 SPRINT SPECTRUM L.P. 920   2003-11-02   
203-648 6 Danbury CT   6664 SPRINT SPECTRUM L.P. 920   2004-02-18   
203-648 7 Danbury CT   6664 SPRINT SPECTRUM L.P. 920   2004-02-18   
203-648 8 Danbury CT   6664 SPRINT SPECTRUM L.P. 920   2004-07-15   
203-648 9 Danbury CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-10-21   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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