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Darien, CT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
203-424 5   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-09-07   
203-424 6   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2011-03-23   
203-424 7   5562 METROPCS, INC. 920   2007-09-14   
203-424 8   5562 METROPCS, INC. 920   2007-09-14   
203-424 9   5562 METROPCS, INC. 920   2007-09-14   
203-559 A HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-559 0   5562 METROPCS, INC. 920   2004-02-02   
203-559 1   5562 METROPCS, INC. 920   2004-02-02   
203-559 2   5562 METROPCS, INC. 920   2007-04-11   
203-559 3   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-559 4   5562 METROPCS, INC. 920   2003-09-08   
203-559 5   5562 METROPCS, INC. 920   2003-09-08   
203-559 6   5562 METROPCS, INC. 920   2003-05-28   
203-559 7   5562 METROPCS, INC. 920   2003-05-28   
203-559 8   5562 METROPCS, INC. 920   2002-12-16   
203-559 9   5562 METROPCS, INC. 920   2002-12-16   
203-620 A SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-620 0   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 1   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 2   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 3   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 4   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 5   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 6   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 7   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-09-19   
203-620 8   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-09-19   
203-620 9   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-09-19   
203-621 A   829J PAETEC ITEL, LLC 920      
203-621 0   829J PAETEC ITEL, LLC 920      
203-621 1   829J PAETEC ITEL, LLC 920      
203-621 2   829J PAETEC ITEL, LLC 920      
203-621 3   829J PAETEC ITEL, LLC 920      
203-621 4   5562 METROPCS, INC. 920   2005-03-20   
203-621 5   829J PAETEC ITEL, LLC 920      
203-621 6   829J PAETEC ITEL, LLC 920      
203-621 7   829J PAETEC ITEL, LLC 920      
203-621 8   5562 METROPCS, INC. 920   2005-02-03   
203-621 9   829J PAETEC ITEL, LLC 920      
203-636 A SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-636 0   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-11-11   
203-636 1   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-636 2   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-636 3   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-636 4   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-636 5   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-636 6   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-636 7   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-636 8   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-11-05   
203-636 9   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-11-05   
203-655 A DARNCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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