Local Calling Guide

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NPA: 330 [Rate centres in NPA 330] [Dial plan for NPA 330]

NXX: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
330-531 A Youngstown OH YNTWOH78ZMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 322      
330-531 0 Youngstown OH YNTWOH78ZMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 322      
330-531 1 Youngstown OH WRRNOHXAWMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 322   2010-03-29   
330-531 2 Youngstown OH YNTWOH78X7X  6529 T-MOBILE USA, INC. 322   2007-08-27   
330-531 3 Youngstown OH WRRNOHXAWMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 322   2010-08-28   
330-531 4 Youngstown OH WRRNOHXAWMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 322   2010-08-28   
330-531 5 Youngstown OH WRRNOHXAWMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 322   2010-08-28   
330-531 6 Youngstown OH WRRNOHXAZMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 322   2008-09-04   
330-531 7 Youngstown OH YNTWOH78XLX  829J PAETEC ITEL, LLC 322   2011-05-17   
330-531 8 Youngstown OH YNTWOH79FMD  001F BANDWIDTH.COM CLEC, LLC - OH 322   2012-10-14   
330-531 9 Youngstown OH YNTWOH78X7X  6529 T-MOBILE USA, INC. 322   2012-11-12   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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