Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Warrenville, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
331-252 A OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
331-252 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-252 1 CHCGILWUJMD  073H TELNYX LLC 358      
331-252 4 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
331-252 6 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
331-252 7 CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
331-252 8 CHCGIL24XMD  495J STRATUS NETWORKS 358      
331-252 9   224C ONVOY, LLC 358      
331-888 A CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
331-888 0 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
331-888 1 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
331-888 2 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-888 3 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-888 5 CHCGIL24DS6  224C ONVOY, LLC 358      
331-888 6 CHCGIL24DS6  224C ONVOY, LLC 358      
331-888 7 CHCGIL24DS6  224C ONVOY, LLC 358      
331-888 8 CHCGIL24DS6  224C ONVOY, LLC 358      
331-888 9 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
630-225 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-225 0 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-225 1 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-225 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-225 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-225 4   460K FIRST COMMUNICATIONS, LLC 358      
630-225 5 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-225 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-225 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-225 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-225 9 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-393 A WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-393 0 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-393 1 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-393 2 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-393 3 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-393 4 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-393 5 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-393 6 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-393 7 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-393 8 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
630-393 9 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-447 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-447 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
630-447 1 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
630-447 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-447 3 CHCGILDT8MD  508J CENTURYLINK COMMUNICATIONS, LLC 358      
630-447 4 LSLEILAADS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-447 5   829J PAETEC ITEL, LLC 358      
630-447 6   829J PAETEC ITEL, LLC 358      
630-447 7 CHCGILCLXOX  516C AT&T CORP. 358      
630-447 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
630-447 9 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
630-604 A CHCGIL24DS6  224C ONVOY, LLC 358      
630-657 A   829J PAETEC ITEL, LLC 358   2024-12-09   
630-657 0 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-657 1 CHCGIL24DS6  224C ONVOY, LLC 358      
630-657 2 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-657 3 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-657 4 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-657 5   829J PAETEC ITEL, LLC 358      
630-657 6   460K FIRST COMMUNICATIONS, LLC 358      
630-657 7 OKBRILOADS3  7421 AT&T - LOCAL 358      
630-657 8   829J PAETEC ITEL, LLC 358      
630-657 9 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
630-658 A   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-658 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-658 1 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
630-658 2 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-658 3 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
630-658 4 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
630-658 5 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
630-658 6 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
630-658 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-658 8 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
630-658 9 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
630-791 A CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-791 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
630-791 1 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
630-791 2 CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-791 3 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
630-791 4 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
630-791 5 CHCGIL24DS6  224C ONVOY, LLC 358      
630-791 6 LSLEILAADS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-791 7 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-791 8 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
630-791 9 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
630-821 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-821 0 CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358      
630-821 1 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
630-821 2 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-821 3 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-821 4 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-821 5 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-821 6   460K FIRST COMMUNICATIONS, LLC 358      
630-821 7 WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      
630-821 8   460K FIRST COMMUNICATIONS, LLC 358      
630-821 9 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-836 A WNVLILWVDS0  9329 ILLINOIS BELL TEL CO 358      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.