Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MLBNOKXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-443 A Milburn OK 1965 WINDSTREAM OKLAHOMA, INC. 536      

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

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