Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CLNDIAXORS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-548 A Callender IA 1225 LEHIGH VALLEY COOP. TEL. ASSN. 632      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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