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: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-439 A O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-439 0 O'Fallon MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520      
636-439 1 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-439 2 O'Fallon MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-439 3 O'Fallon MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520      
636-439 4 O'Fallon MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520      
636-439 5 O'Fallon MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-439 6 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-439 7 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-439 8 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-439 9 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      

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

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