Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: JFSNIAXCDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-386 A Jefferson IA 1212 JEFFERSON TEL. CO. 632      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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