Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]

NXX: 517

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-517 A Valley Park MO VYPKMO64DS0  9533 SOUTHWESTERN BELL 520      
636-517 0 Valley Park MO VYPKMO64DS0  9533 SOUTHWESTERN BELL 520      
636-517 1 Valley Park MO STLSMO09WMD  516C AT&T CORP. 520      
636-517 3 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-517 4 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-517 5 Valley Park MO   829J PAETEC ITEL, LLC 520      
636-517 6 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-517 7 Valley Park MO   6529 T-MOBILE USA, INC. 520      
636-517 8 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-517 9 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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