Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 536

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-536 A Monmouth IL MCMBILXDX3X  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 977      
309-536 0 Monmouth IL MCMBILXDX3X  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 977      
309-536 1 Monmouth IL MCMBILXDX3X  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 977      
309-536 2 Monmouth IL MCMBILXDX3X  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 977      
309-536 3 Monmouth IL MCMBILXDX3X  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 977   2011-03-20   
309-536 6 Monmouth IL MCMBILXDHMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 977   2017-11-06   
309-536 7 Monmouth IL GLBGILXDAMD  508J CENTURYLINK COMMUNICATIONS, LLC 977   2014-05-02   
309-536 9 Monmouth IL MCMBILXDX9X  224C ONVOY, LLC 977   2020-03-13   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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