Local Calling Guide

Area code/prefix search

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NPA: 730 [Rate centres in NPA 730] [Dial plan for NPA 730]

NXX: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
730-273 A Carbondale IL   478J NUSO, LLC 362   2025-07-21   
730-273 1 Carbondale IL   478J NUSO, LLC 362   2025-07-21   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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