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: BYTWTXXANMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-462 6 Crosby TX 318C CEBRIDGE TELECOM TX , L.P. - TX 560   2009-12-16   
346-548 8 Baytown TX 318C CEBRIDGE TELECOM TX , L.P. - TX 560   2022-05-20   
346-910 6 Mont Belvieu TX 318C CEBRIDGE TELECOM TX , L.P. - TX 560   2022-05-20   
832-990 A Huffman TX 318C CEBRIDGE TELECOM TX , L.P. - TX 560      
832-990 4 Huffman TX 318C CEBRIDGE TELECOM TX , L.P. - TX 560   2013-12-29   
832-990 5 Huffman TX 318C CEBRIDGE TELECOM TX , L.P. - TX 560   2013-12-29   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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