Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 730 [Rate centres in NPA 730] [Dial plan for NPA 730]

NXX: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
730-587 A Olney IL OLNYILABZMD  114J EXIANT COMMUNICATIONS LLC 978   2026-05-15   
730-587 4 Olney IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2026-06-27   
730-587 5 Olney IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2026-06-27   
730-587 6 Olney IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2026-06-27   
730-587 7 Olney IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2026-06-27   
730-587 8 Olney IL OLNYILABZMD  114J EXIANT COMMUNICATIONS LLC 978   2026-05-15   
730-587 9 Olney IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2026-06-27   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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