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: 474

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-474 A O'Fallon MCA4 MO OFLNMOXADS0  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-474 0 O'Fallon MCA4 MO OFLNMOXADS0  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-474 1 O'Fallon MCA4 MO OFLNMOXADS0  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-474 2 O'Fallon MCA4 MO OFLNMOXADS0  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-474 3 O'Fallon MCA4 MO OFLNMOXADS0  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520   2010-02-10   
636-474 4 O'Fallon MCA4 MO OFLNMOXADS0  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-474 5 O'Fallon MCA4 MO OFLNMOXADS0  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-474 7 O'Fallon MCA4 MO OFLNMOXADS0  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-474 8 O'Fallon MCA4 MO OFLNMOXADS0  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-474 9 O'Fallon MCA4 MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2009-12-09   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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