Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Norman, OK

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
572-229 9 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2024-10-19   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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