Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 405 [Rate centres in NPA 405] [Dial plan for NPA 405]

NXX: 563

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-563 A Oklahoma City OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536      
405-563 7 Oklahoma City OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2010-12-16   
405-563 8 Oklahoma City OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2011-08-18   
405-563 9 Oklahoma City OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2010-12-16   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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