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: BYTWTXXAHMD

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
346-734 1 Beach City TX 903C ONVOY, LLC - TX 560   2024-07-05   
346-734 2 Beach City TX 903C ONVOY, LLC - TX 560   2023-08-26   
346-749 9 Baytown TX 903C ONVOY, LLC - TX 560   2024-09-15   
346-910 A Mont Belvieu TX 903C ONVOY, LLC - TX 560      
346-910 7 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2021-10-25   
346-910 8 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2021-10-25   
346-910 9 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2021-02-18   
346-977 3 Baytown TX 903C ONVOY, LLC - TX 560   2024-11-07   
346-977 5 Baytown TX 903C ONVOY, LLC - TX 560   2019-12-04   
346-977 6 Baytown TX 903C ONVOY, LLC - TX 560   2019-12-04   
346-999 0 Huffman TX 903C ONVOY, LLC - TX 560   2020-08-22   
346-999 2 Huffman TX 903C ONVOY, LLC - TX 560   2019-02-18   
346-999 6 Huffman TX 903C ONVOY, LLC - TX 560   2016-01-29   
346-999 8 Huffman TX 903C ONVOY, LLC - TX 560   2020-08-22   
713-424 A Baytown TX 903C ONVOY, LLC - TX 560      
713-424 0 Baytown TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-424 1 Baytown TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-424 2 Baytown TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-424 3 Baytown TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-424 4 Baytown TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-424 5 Baytown TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-424 6 Baytown TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-424 7 Baytown TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-424 8 Baytown TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-424 9 Baytown TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-565 A Huffman TX 903C ONVOY, LLC - TX 560      
713-565 1 Huffman TX 903C ONVOY, LLC - TX 560   2021-07-02   
713-565 2 Huffman TX 903C ONVOY, LLC - TX 560   2021-07-02   
713-565 3 Huffman TX 903C ONVOY, LLC - TX 560   2021-06-05   
713-565 4 Huffman TX 903C ONVOY, LLC - TX 560   2021-06-05   
713-565 5 Huffman TX 903C ONVOY, LLC - TX 560   2023-08-31   
713-565 8 Huffman TX 903C ONVOY, LLC - TX 560   2021-03-06   
713-565 9 Huffman TX 903C ONVOY, LLC - TX 560   2021-03-06   
713-903 A Baytown TX 903C ONVOY, LLC - TX 560      
713-903 2 Baytown TX 903C ONVOY, LLC - TX 560   2019-07-11   
713-903 3 Baytown TX 903C ONVOY, LLC - TX 560   2019-07-11   
713-903 7 Baytown TX 903C ONVOY, LLC - TX 560   2019-03-07   
713-903 8 Baytown TX 903C ONVOY, LLC - TX 560   2019-03-07   
713-999 2 Huffman TX 903C ONVOY, LLC - TX 560   2020-11-30   
713-999 6 Huffman TX 903C ONVOY, LLC - TX 560   2016-11-26   
713-999 7 Huffman TX 903C ONVOY, LLC - TX 560   2015-05-11   
832-307 A Mont Belvieu TX 903C ONVOY, LLC - TX 560      
832-307 0 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2017-05-13   
832-307 2 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2020-12-10   
832-307 3 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2018-03-17   
832-307 9 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2018-11-25   
832-501 0 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2018-09-07   
832-501 1 Mont Belvieu TX 903C ONVOY, LLC - TX 560   2018-09-07   
832-838 7 Highlands TX 903C ONVOY, LLC - TX 560   2019-07-11   
832-838 9 Highlands TX 903C ONVOY, LLC - TX 560   2019-07-11   
832-990 0 Huffman TX 903C ONVOY, LLC - TX 560   2018-09-07   
832-990 1 Huffman TX 903C ONVOY, LLC - TX 560   2018-09-07   

<< 1 2

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.