Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 660

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-660 A Rochester IL SPFDILESXVX  318J COMCAST IP PHONE, LLC 374      
217-660 0 Rochester IL SPFDILESXQX  624H ONVOY SPECTRUM, LLC 374   2024-05-25   
217-660 1 Rochester IL SPFDILESDS3  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374   2025-01-19   
217-660 4 Rochester IL SPFDILES7MD  224C ONVOY, LLC 374   2022-04-01   
217-660 8 Rochester IL SPFDILESXVX  318J COMCAST IP PHONE, LLC 374   2007-09-23   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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