Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-678 3 Chico TX 624H ONVOY SPECTRUM, LLC 552   2021-12-04   
940-678 7 Chico TX 624H ONVOY SPECTRUM, LLC 552   2021-07-08   
940-699 6 Bridgeport TX 624H ONVOY SPECTRUM, LLC 552   2021-07-08   
940-748 6 Boonsville TX 624H ONVOY SPECTRUM, LLC 552   2021-07-08   
940-748 9 Boonsville TX 624H ONVOY SPECTRUM, LLC 552   2021-12-04   
940-786 3 Boyd TX 624H ONVOY SPECTRUM, LLC 552   2021-07-08   
940-786 8 Boyd TX 624H ONVOY SPECTRUM, LLC 552   2021-12-04   
940-786 9 Boyd TX 624H ONVOY SPECTRUM, LLC 552   2021-12-04   
940-859 7 Mineral Wells TX 624H ONVOY SPECTRUM, LLC 552   2025-01-03   
945-200 7 Ennis TX 624H ONVOY SPECTRUM, LLC 552   2021-12-02   
945-200 8 Ennis TX 624H ONVOY SPECTRUM, LLC 552   2021-12-02   
945-206 0 Farmersville TX 624H ONVOY SPECTRUM, LLC 552   2024-03-06   
945-215 1 Allen TX 624H ONVOY SPECTRUM, LLC 552   2021-11-19   
945-215 2 Allen TX 624H ONVOY SPECTRUM, LLC 552   2021-11-19   
945-219 1 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-09-09   
945-221 0 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-09-09   
945-221 8 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-09-09   
945-228 1 Cedar Hill TX 624H ONVOY SPECTRUM, LLC 552   2021-12-28   
945-228 2 Cedar Hill TX 624H ONVOY SPECTRUM, LLC 552   2021-12-28   
945-229 7 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-04-16   
945-229 8 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-04-16   
945-229 9 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-04-16   
945-235 0 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-09-25   
945-235 1 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-09-25   
945-255 A Anna TX 624H ONVOY SPECTRUM, LLC 552      
945-255 0 Anna TX 624H ONVOY SPECTRUM, LLC 552   2021-12-02   
945-255 1 Anna TX 624H ONVOY SPECTRUM, LLC 552   2021-12-02   
945-255 2 Anna TX 624H ONVOY SPECTRUM, LLC 552   2021-08-12   
945-281 0 Josephine TX 624H ONVOY SPECTRUM, LLC 552   2024-03-06   
945-291 3 Frisco TX 624H ONVOY SPECTRUM, LLC 552   2025-05-26   
945-291 4 Frisco TX 624H ONVOY SPECTRUM, LLC 552   2025-05-26   
945-291 5 Frisco TX 624H ONVOY SPECTRUM, LLC 552   2025-05-26   
945-302 0 Ferris TX 624H ONVOY SPECTRUM, LLC 552   2024-03-06   
945-309 0 Nevada TX 624H ONVOY SPECTRUM, LLC 552   2024-03-06   
945-317 8 Venus TX 624H ONVOY SPECTRUM, LLC 552   2024-03-06   
945-326 8 McKinney TX 624H ONVOY SPECTRUM, LLC 552   2024-03-30   
945-329 A Wilmer TX 624H ONVOY SPECTRUM, LLC 552   2024-04-10   
945-329 0 Wilmer TX 624H ONVOY SPECTRUM, LLC 552   2024-04-10   
945-347 0 De Soto TX 624H ONVOY SPECTRUM, LLC 552   2024-12-13   
945-350 0 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2025-02-22   
945-350 2 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2025-02-22   
945-350 3 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2025-02-22   
945-350 4 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2025-02-22   
945-355 A Bristol TX 624H ONVOY SPECTRUM, LLC 552      
945-355 3 Bristol TX 624H ONVOY SPECTRUM, LLC 552   2021-08-12   
945-368 A Allen TX 624H ONVOY SPECTRUM, LLC 552   2025-03-22   
945-368 0 Allen TX 624H ONVOY SPECTRUM, LLC 552   2025-03-22   
945-368 1 Allen TX 624H ONVOY SPECTRUM, LLC 552   2025-03-22   
945-381 7 McKinney TX 624H ONVOY SPECTRUM, LLC 552   2025-06-09   
945-381 8 McKinney TX 624H ONVOY SPECTRUM, LLC 552   2025-06-09   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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