Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 404 [Rate centres in NPA 404] [Dial plan for NPA 404]

NXX: 473

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
404-473 A Atlanta GA CLMBGAFNCM1  6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 438      

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

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