Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: PHNZAZZJPS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
623-218 A Phoenix AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-218 9 Phoenix AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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