Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 187J NOBLE SYSTEMS COMMUNICATIONS, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
470-845 A Atlanta GA ATLNGAMAX8Y  438      

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

Sponsored by: ISP Telecom

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