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.

Plano, TX

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
945-284 0   004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-03-05   
945-284 1   004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-03-05   
945-284 2   004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-03-05   
945-284 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-03-04   
945-284 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-03-04   
945-284 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-03-04   
945-284 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-03-04   
945-284 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-03-04   
945-284 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-03-04   
945-284 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-03-04   
945-287 A DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
945-287 0   004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-03-26   
945-287 1   004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-03-26   
945-287 2   004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-03-26   
945-287 3   073H TELNYX LLC 552   2023-05-26   
945-287 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-06-10   
945-287 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-06-10   
945-287 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-06-10   
945-287 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-06-10   
945-287 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-06-10   
945-287 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-06-10   
945-294 A IRNGTXXBXTY  903C ONVOY, LLC - TX 552      
945-294 0   903C ONVOY, LLC - TX 552   2023-08-12   
945-294 1   903C ONVOY, LLC - TX 552   2023-08-12   
945-294 2   903C ONVOY, LLC - TX 552   2023-08-07   
945-294 3   903C ONVOY, LLC - TX 552   2023-08-08   
945-294 4   903C ONVOY, LLC - TX 552   2023-08-08   
945-294 5   903C ONVOY, LLC - TX 552   2023-08-08   
945-294 6   903C ONVOY, LLC - TX 552   2023-09-30   
945-294 7   903C ONVOY, LLC - TX 552   2023-08-12   
945-294 8   903C ONVOY, LLC - TX 552   2023-08-12   
945-294 9   903C ONVOY, LLC - TX 552   2023-08-12   
945-320 A DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-23   
945-320 0   939H COMMIO, LLC 552   2024-02-23   
945-320 1   939H COMMIO, LLC 552   2024-02-23   
945-320 2   939H COMMIO, LLC 552   2024-02-23   
945-320 3   939H COMMIO, LLC 552   2024-02-23   
945-320 4   939H COMMIO, LLC 552   2024-02-23   
945-320 5   939H COMMIO, LLC 552   2024-02-23   
945-320 6   939H COMMIO, LLC 552   2024-02-23   
945-320 7   939H COMMIO, LLC 552   2024-02-23   
945-320 8   732J NUSO, LLC 552   2024-04-15   
945-320 9   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2024-04-26   
945-325 A IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2024-03-29   
945-325 0   903C ONVOY, LLC - TX 552   2024-03-29   
945-325 1   903C ONVOY, LLC - TX 552   2024-03-29   
945-325 2   903C ONVOY, LLC - TX 552   2024-03-29   
945-325 3   903C ONVOY, LLC - TX 552   2024-03-29   
945-325 4   903C ONVOY, LLC - TX 552   2024-03-29   
945-325 5   903C ONVOY, LLC - TX 552   2024-03-29   
945-325 6   903C ONVOY, LLC - TX 552   2024-03-29   
945-325 7   903C ONVOY, LLC - TX 552   2024-03-29   
945-325 8   903C ONVOY, LLC - TX 552   2024-03-29   
945-325 9   903C ONVOY, LLC - TX 552   2024-03-29   
945-344 A FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2024-10-18   
945-344 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2024-10-18   
945-344 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2024-10-18   
945-344 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2024-10-18   
945-344 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2024-10-18   
945-344 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2024-10-18   
945-344 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2024-10-18   
945-344 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2024-10-18   
945-344 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2024-10-18   
945-344 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2024-10-18   
945-344 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2024-10-18   
945-361 A FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-02-23   
945-361 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-02-23   
945-361 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-02-23   
945-361 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-02-23   
945-361 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-02-23   
945-361 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-02-23   
945-361 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-02-23   
945-361 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-02-23   
945-361 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-02-23   
945-361 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-02-23   
945-361 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-02-23   
945-369 A   624H ONVOY SPECTRUM, LLC 552   2025-03-22   
945-369 0   624H ONVOY SPECTRUM, LLC 552   2025-03-22   
945-369 1   624H ONVOY SPECTRUM, LLC 552   2025-03-22   
945-369 2   6529 T-MOBILE USA, INC. 552   2025-05-16   
945-369 3   6529 T-MOBILE USA, INC. 552   2025-05-16   
945-369 4   6529 T-MOBILE USA, INC. 552   2025-06-01   
945-369 5   6529 T-MOBILE USA, INC. 552   2025-06-01   
945-369 6   6529 T-MOBILE USA, INC. 552   2025-06-01   
945-369 7   6529 T-MOBILE USA, INC. 552   2025-03-24   
945-369 8   6529 T-MOBILE USA, INC. 552   2025-03-24   
945-369 9   6529 T-MOBILE USA, INC. 552   2025-03-24   
945-385 A   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-08-08   
945-385 0   6529 T-MOBILE USA, INC. 552   2025-08-11   
945-385 1   6529 T-MOBILE USA, INC. 552   2025-08-11   
945-385 2   6529 T-MOBILE USA, INC. 552   2025-08-11   
945-385 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-08-08   
945-385 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-08-08   
945-385 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-08-08   
945-385 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-08-08   
945-385 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-08-08   
945-385 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-08-08   
945-385 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-08-08   
945-387 A   6529 T-MOBILE USA, INC. 552   2025-08-01   
945-387 0   903C ONVOY, LLC - TX 552   2025-09-27   

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

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.