Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Alvin, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-765 A ALVNILXCRS1  1036 FRONTIER NORTH, INC. - IL 370      
217-765 0 CHMPILCPOMD  224C ONVOY, LLC 370   2019-07-05   
217-765 1 CHMPILCPX0Y  073H TELNYX LLC 370   2020-06-04   
217-765 2 ALVNILXCRS1  1036 FRONTIER NORTH, INC. - IL 370      
217-765 3   145J TERRA NOVA TELECOM INC. 370   2025-06-12   
217-765 4 CHMPILCPOMD  224C ONVOY, LLC 370   2021-07-04   
217-765 5 CHMPILCPOMD  224C ONVOY, LLC 370   2018-10-06   
217-765 6 CHMPILCPX5Y  624H ONVOY SPECTRUM, LLC 370   2024-05-16   
217-765 7 CHMPILCPXOX  508J CENTURYLINK COMMUNICATIONS, LLC 370   2016-06-17   
217-765 8 CHMPILCPOMD  224C ONVOY, LLC 370   2019-07-05   
217-765 9   318J COMCAST IP PHONE, LLC 370   2025-07-13   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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