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.

NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-283 9 Geneva IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-284 A Bartlett IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-284 0 Bartlett IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-284 1 Bartlett IL CHCGILWUXMD  490J DISH WIRELESS, LLC 358      
331-284 3 Bartlett IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-284 4 Bartlett IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-284 5 Bartlett IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-284 6 Bartlett IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-284 7 Bartlett IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-284 8 Bartlett IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-284 9 Bartlett IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-285 A Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-285 0 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-285 1 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-285 2 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-285 3 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-285 4 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-285 5 Naperville IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-285 6 Naperville IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
331-285 7 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-285 8 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-285 9 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-286 A Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-286 0 Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-286 1 Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-286 2 Geneva IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-286 3 Geneva IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
331-286 4 Geneva IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
331-286 5 Geneva IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-286 6 Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-286 7 Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-286 8 Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-286 9 Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-287 A Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-287 0 Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-287 1 Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-287 2 Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-287 3 Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-287 4 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-287 5 Aurora IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-287 6 Aurora IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-287 7 Aurora IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-287 8 Aurora IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-287 9 Aurora IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-288 A Elburn IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
331-288 0 Elburn IL CHCGILWUKMD  939H COMMIO, LLC 358      
331-288 1 Elburn IL CHCGILWUKMD  939H COMMIO, LLC 358      
331-288 2 Elburn IL CHCGILWUKMD  939H COMMIO, LLC 358      
331-288 3 Elburn IL CHCGILWUKMD  939H COMMIO, LLC 358      
331-288 4 Elburn IL CHCGILWUKMD  939H COMMIO, LLC 358      
331-288 5 Elburn IL   939H COMMIO, LLC 358      
331-288 6 Elburn IL   939H COMMIO, LLC 358      
331-288 7 Elburn IL   224C ONVOY, LLC 358      
331-288 8 Elburn IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
331-288 9 Elburn IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-289 A Hinsdale IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-289 0 Hinsdale IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-289 1 Hinsdale IL CHCGILWBXSZ  478J NUSO, LLC 358      
331-289 2 Hinsdale IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-289 3 Hinsdale IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-289 4 Hinsdale IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-289 5 Hinsdale IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-289 6 Hinsdale IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-289 7 Hinsdale IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-289 8 Hinsdale IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-289 9 Hinsdale IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-290 A Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-290 0 Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-290 1 Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-290 2 Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-290 3 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-290 4 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-290 5 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-290 6 Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-290 7 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-290 8 Aurora IL CHCGILCNHMD  073H TELNYX LLC 358      
331-290 9 Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-291 A Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-291 0 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-291 1 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-291 2 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-291 3 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-291 4 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-291 5 Downers Grove IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
331-291 6 Downers Grove IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
331-291 7 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-291 8 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-291 9 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-292 A Downers Grove IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-292 0 Downers Grove IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-292 1 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-292 2 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-292 3 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-292 4 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-292 5 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-292 6 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-292 7 Downers Grove IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-292 8 Downers Grove IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-292 9 Downers Grove IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-293 A Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.