Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 901 [Rate centres in NPA 901] [Dial plan for NPA 901]

NXX: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
901-777 A Memphis TN MMPHTNCTX6X  6630 USA MOBILITY WIRELESS, INC. 468      

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

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