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: 253

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-253 A Norman OK OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536      
405-253 0 Norman OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2004-12-17   
405-253 1 Norman OK OKCYOKCEXXZ  318J COMCAST IP PHONE, LLC 536   2005-01-04   
405-253 2 Norman OK OKCYOKMPDS0  7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 536   2010-11-12   
405-253 3 Norman OK OKCYOKMPDS0  7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 536   2004-06-06   
405-253 4 Norman OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2003-01-06   
405-253 5 Norman OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2008-02-01   
405-253 6 Norman OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2008-02-13   
405-253 7 Norman OK OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536      
405-253 8 Norman OK NRMNOKMADS0  9533 SOUTHWESTERN BELL 536      
405-253 9 Norman OK OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536      

Last updated: Wed, 01 Jan 2025 02:39:49 UTC

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