Local Calling Guide

Area code/prefix search

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NPA: 928 [Rate centres in NPA 928] [Dial plan for NPA 928]

NXX: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-397 A Castle Rock AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2021-02-20   
928-397 0 Castle Rock AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2021-08-08   
928-397 2 Castle Rock AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666   2021-10-21   
928-397 6 Castle Rock AZ PHNXAZ19CMD  516J TON80 COMMUNICATIONS LLC 666   2021-07-03   
928-397 7 Castle Rock AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2021-02-20   
928-397 8 Castle Rock AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2021-02-20   
928-397 9 Castle Rock AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2021-07-03   

Last updated: Tue, 24 Jan 2023 03:01:57 UTC

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