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: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-489 A Chesterfield MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-489 0 Chesterfield MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-489 1 Chesterfield MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-489 2 Chesterfield MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-489 3 Chesterfield MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-489 4 Chesterfield MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-489 5 Chesterfield MO   829J PAETEC ITEL, LLC 520      
636-489 6 Chesterfield MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-489 7 Chesterfield MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-489 8 Chesterfield MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      
636-489 9 Chesterfield MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      

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

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