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: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-587 A New Boston IL NBTNILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-587 0 New Boston IL NBTNILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-587 1 New Boston IL NBTNILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-587 2 New Boston IL NBTNILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-587 3 New Boston IL NBTNILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-587 4 New Boston IL HMPNILXDAMD  495J STRATUS NETWORKS 634      
309-587 5 New Boston IL RCISILRIX3X  224C ONVOY, LLC 634      
309-587 6 New Boston IL RCISILRIX0X  508J CENTURYLINK COMMUNICATIONS, LLC 634      
309-587 7 New Boston IL NBTNILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-587 8 New Boston IL NBTNILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-587 9 New Boston IL NBTNILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      

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

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