Local Calling Guide

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NPA: 816 [Rate centres in NPA 816] [Dial plan for NPA 816]

NXX: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-521 A Kansas City MO KSCYMO22DS1  9533 SOUTHWESTERN BELL 524      
816-521 0 Kansas City MO   6701 AERIAL COMMUNICATIONS, INC. 524   2008-02-04   
816-521 1 Kansas City MO   6701 AERIAL COMMUNICATIONS, INC. 524   2008-02-04   
816-521 2 Kansas City MO   9533 SOUTHWESTERN BELL 524      
816-521 3 Kansas City MO   9533 SOUTHWESTERN BELL 524      
816-521 4 Kansas City MO   9533 SOUTHWESTERN BELL 524      
816-521 5 Kansas City MO   9533 SOUTHWESTERN BELL 524      
816-521 6 Kansas City MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2010-12-13   
816-521 7 Kansas City MO   9533 SOUTHWESTERN BELL 524      
816-521 8 Kansas City MO   6701 AERIAL COMMUNICATIONS, INC. 524   2008-02-04   
816-521 9 Kansas City MO   6701 AERIAL COMMUNICATIONS, INC. 524   2008-02-04   

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

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