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.

Hillside, IL

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
708-836 1 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-836 2 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-836 3 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-836 4 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-836 5 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-836 6   6529 T-MOBILE USA, INC. 358   2024-03-18   
708-836 7 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-836 8 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-836 9 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-838 A CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
708-838 0 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
708-838 1   145J TERRA NOVA TELECOM INC. 358   2021-09-26   
708-838 2 CHCGIL24DS6  224C ONVOY, LLC 358   2021-03-01   
708-838 3   224C ONVOY, LLC 358   2024-02-25   
708-838 4 ELGNILOT2MD  5562 METROPCS, INC. 358   2017-01-07   
708-838 5 ELGNILOT2MD  5562 METROPCS, INC. 358   2017-01-07   
708-838 6 ELGNILOT2MD  5562 METROPCS, INC. 358   2017-01-07   
708-838 7   224C ONVOY, LLC 358   2024-02-25   
708-838 8 ELGNILOT2MD  5562 METROPCS, INC. 358   2017-01-07   
708-838 9 CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
708-938 A CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
708-938 0 CHCGIL24XMD  495J STRATUS NETWORKS 358   2020-09-26   
708-938 1 CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
708-938 2 CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
708-938 3 CHCGIL24DS6  224C ONVOY, LLC 358   2014-10-17   
708-938 4 CHCGIL24DS6  224C ONVOY, LLC 358   2021-03-01   
708-938 5 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
708-938 6 CHCGIL24DS6  224C ONVOY, LLC 358   2014-10-17   
708-938 7 CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
708-938 8   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
708-938 9   224C ONVOY, LLC 358   2024-02-25   
708-947 A HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 0 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 1 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 2 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 3 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 4 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 5 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 6 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-08-18   
708-947 7 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 8 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 9 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      

<< 1 2

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.