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: 816

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-816 A Monmouth IL GLBGILXDIMD  515J IP HORIZON LLC 977      
309-816 1 Monmouth IL   515J IP HORIZON LLC 977   2020-11-09   
309-816 6 Monmouth IL MCMBILXDX9X  224C ONVOY, LLC 977   2021-07-05   
309-816 7 Monmouth IL MCMBILXDX9X  224C ONVOY, LLC 977   2021-07-05   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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