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: 859

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-859 A Gulfport IL GLBGILXDXMD  495J STRATUS NETWORKS 977      
309-859 1 Gulfport IL GLBGILXDXMD  495J STRATUS NETWORKS 977   2021-04-04   
309-859 3 Gulfport IL MCMBILXDX5X  624H ONVOY SPECTRUM, LLC 977   2023-07-29   
309-859 5 Gulfport IL MCMBILXDX9X  224C ONVOY, LLC 977   2021-07-05   
309-859 9 Gulfport IL MCMBILXDX9X  224C ONVOY, LLC 977   2021-04-09   

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

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