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.

Arlington Heights, IL

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
224-670 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-11-17   
224-670 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-11-17   
224-670 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-11-17   
224-670 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-11-17   
224-670 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-11-17   
224-670 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-11-17   
224-671 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-12-20   
224-671 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-12-20   
224-671 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-12-20   
224-671 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-12-20   
224-671 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-12-20   
224-671 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-12-20   
224-671 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-12-20   
224-671 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-12-20   
224-671 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-12-20   
224-671 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-12-20   
224-671 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-12-20   
224-672 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-01-01   
224-672 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-01-01   
224-672 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-01-01   
224-672 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-01-01   
224-672 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-01-01   
224-672 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-01-01   
224-672 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-01-01   
224-672 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-01-01   
224-672 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-01-01   
224-672 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-01-01   
224-672 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-01-01   
224-679 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-02-26   
224-679 7   883K AHOI LLC 358   2026-10-06   
224-685 A SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2026-04-17   
224-685 0 CHCGIL24DS6  224C ONVOY, LLC 358   2026-04-20   
224-685 1   224C ONVOY, LLC 358   2026-10-03   
224-685 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2026-09-10   
224-685 7   114J EXIANT COMMUNICATIONS LLC 358   2026-08-31   
224-685 8 ELGNILOTGT5  5562 METROPCS, INC. 358   2026-07-12   
224-685 9 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2026-04-17   
224-735 A CHCGILCLXOX  516C AT&T CORP. 358      
224-735 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-05-24   
224-735 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-05-24   
224-735 2 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-11-25   
224-735 3 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-11-25   
224-735 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-08-06   
224-735 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-09-12   
224-735 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-07-23   
224-735 7 CHCGILCLXOX  516C AT&T CORP. 358   2006-04-15   
224-735 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-07-23   
224-735 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-08-23   
224-764 A CHCGIL24SMD  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
224-764 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   

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

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.