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: 373

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-373 A Piedmont OK PDMTOKMARS0  9533 SOUTHWESTERN BELL 536      
405-373 0 Piedmont OK   9533 SOUTHWESTERN BELL 536      
405-373 1 Piedmont OK   9533 SOUTHWESTERN BELL 536      
405-373 2 Piedmont OK   9533 SOUTHWESTERN BELL 536      
405-373 3 Piedmont OK   9533 SOUTHWESTERN BELL 536      
405-373 4 Piedmont OK   9533 SOUTHWESTERN BELL 536      
405-373 5 Piedmont OK   9533 SOUTHWESTERN BELL 536      
405-373 6 Piedmont OK   119F BANDWIDTH.COM CLEC, LLC - OK 536   2015-05-03   
405-373 7 Piedmont OK   530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536   2017-12-04   
405-373 8 Piedmont OK   119F BANDWIDTH.COM CLEC, LLC - OK 536   2021-11-22   
405-373 9 Piedmont OK   9533 SOUTHWESTERN BELL 536      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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