Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MTONILXC3MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
447-296 A Mattoon IL 515J IP HORIZON LLC 976   2024-06-09   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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