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
224-624 3 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-04-26   
224-624 4 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-04-05   
224-624 5 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-04-05   
224-624 6 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-03-10   
224-624 7 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-03-10   
224-624 8 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-12-08   
224-624 9 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-12-08   
224-625 A ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-04-27   
224-625 1 ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 2 ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 3 ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 4 ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 5 ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 6 ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 7 ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 8 ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 9 ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-631 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-02-21   
224-631 0 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2025-05-12   
224-631 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-02-21   
224-631 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-02-21   
224-631 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-02-21   
224-631 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-02-21   
224-631 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-02-21   
224-631 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-02-21   
224-631 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-02-21   
224-631 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-02-21   
224-631 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-02-21   
224-647 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-21   
224-647 0 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-07-22   
224-647 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-21   
224-647 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-21   
224-647 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-21   
224-647 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-21   
224-647 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-21   
224-647 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-21   
224-647 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-21   
224-647 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-21   
224-647 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-21   
224-648 A SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-07-21   
224-648 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-22   
224-648 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-22   
224-648 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-22   
224-648 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-22   
224-648 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-22   
224-648 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-22   
224-648 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2025-07-22   
224-648 7 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-07-21   
224-648 8 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-07-21   

<< 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: ISP Telecom

Like this site? We accept donations via PayPal.