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.

Switch: HSTNTXYADS5

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
346-536 8 Satsuma TX 903C ONVOY, LLC - TX 560   2021-04-12   
346-536 9 Satsuma TX 903C ONVOY, LLC - TX 560   2021-04-12   
346-537 0 Houston TX 903C ONVOY, LLC - TX 560   2023-08-07   
346-537 1 Houston TX 903C ONVOY, LLC - TX 560   2022-11-08   
346-537 2 Houston TX 903C ONVOY, LLC - TX 560   2022-11-08   
346-537 7 Houston TX 903C ONVOY, LLC - TX 560   2023-02-05   
346-540 3 Splendora TX 903C ONVOY, LLC - TX 560   2023-07-15   
346-540 4 Splendora TX 903C ONVOY, LLC - TX 560   2023-05-13   
346-540 6 Splendora TX 903C ONVOY, LLC - TX 560   2024-01-08   
346-545 4 Richmond-Rosenberg TX 903C ONVOY, LLC - TX 560   2022-03-21   
346-545 5 Richmond-Rosenberg TX 903C ONVOY, LLC - TX 560   2022-03-21   
346-547 A Houston TX 903C ONVOY, LLC - TX 560      
346-547 0 Houston TX 903C ONVOY, LLC - TX 560   2022-04-23   
346-547 4 Houston TX 903C ONVOY, LLC - TX 560   2022-04-02   
346-547 5 Houston TX 903C ONVOY, LLC - TX 560   2022-04-02   
346-547 7 Houston TX 903C ONVOY, LLC - TX 560   2022-04-01   
346-547 8 Houston TX 903C ONVOY, LLC - TX 560   2022-04-01   
346-550 7 Cypress TX 903C ONVOY, LLC - TX 560   2022-03-25   
346-550 8 Cypress TX 903C ONVOY, LLC - TX 560   2022-03-25   
346-550 9 Cypress TX 903C ONVOY, LLC - TX 560   2022-03-25   
346-551 3 Bammel TX 903C ONVOY, LLC - TX 560   2022-10-24   
346-551 4 Bammel TX 903C ONVOY, LLC - TX 560   2022-10-24   
346-552 7 Alvin TX 903C ONVOY, LLC - TX 560   2022-11-26   
346-553 A Houston TX 903C ONVOY, LLC - TX 560      
346-553 2 Houston TX 903C ONVOY, LLC - TX 560   2022-08-06   
346-553 3 Houston TX 903C ONVOY, LLC - TX 560   2022-06-09   
346-553 4 Houston TX 903C ONVOY, LLC - TX 560   2022-06-09   
346-553 5 Houston TX 903C ONVOY, LLC - TX 560   2022-06-09   
346-553 6 Houston TX 903C ONVOY, LLC - TX 560   2022-06-09   
346-553 7 Houston TX 903C ONVOY, LLC - TX 560   2022-06-09   
346-553 8 Houston TX 903C ONVOY, LLC - TX 560   2022-06-09   
346-556 0 Houston TX 903C ONVOY, LLC - TX 560   2023-11-12   
346-556 1 Houston TX 903C ONVOY, LLC - TX 560   2023-11-12   
346-559 1 Humble TX 903C ONVOY, LLC - TX 560   2022-12-15   
346-559 2 Humble TX 903C ONVOY, LLC - TX 560   2022-12-15   
346-559 3 Humble TX 903C ONVOY, LLC - TX 560   2022-12-15   
346-560 4 Houston TX 903C ONVOY, LLC - TX 560   2023-06-30   
346-560 5 Houston TX 903C ONVOY, LLC - TX 560   2023-06-30   
346-560 7 Houston TX 903C ONVOY, LLC - TX 560   2023-06-30   
346-566 2 Westfield TX 903C ONVOY, LLC - TX 560   2021-07-12   
346-566 3 Westfield TX 903C ONVOY, LLC - TX 560   2021-07-12   
346-566 4 Westfield TX 903C ONVOY, LLC - TX 560   2021-07-12   
346-566 5 Westfield TX 903C ONVOY, LLC - TX 560   2021-07-12   
346-567 A Mont Belvieu TX 903C ONVOY, LLC - TX 560      
346-567 4 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2019-08-15   
346-567 5 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2019-08-15   
346-567 6 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2020-08-22   
346-567 7 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2020-08-22   
346-567 8 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2020-08-22   
346-570 0 Houston Suburban TX 903C ONVOY, LLC - TX 560   2016-12-24   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.