Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 447 [Rate centres in NPA 447] [Dial plan for NPA 447]

NXX: 209

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-209 A Springfield IL SPFDILGI7MD  478J NUSO, LLC 374   2025-01-14   
447-209 0 Springfield IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2025-03-04   
447-209 1 Springfield IL SPFDILGI7MD  478J NUSO, LLC 374   2025-01-14   
447-209 8 Springfield IL   224C ONVOY, LLC 374   2026-02-26   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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