Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 979 [Rate centres in NPA 979] [Dial plan for NPA 979]

NXX: 921

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-921 A Hempstead TX HMPSTXHMRS0  9533 SOUTHWESTERN BELL 560      
979-921 0 Hempstead TX   9533 SOUTHWESTERN BELL 560      
979-921 1 Hempstead TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2018-07-27   
979-921 2 Hempstead TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2024-12-27   
979-921 3 Hempstead TX   073H TELNYX LLC 560   2017-06-19   
979-921 4 Hempstead TX   515J IP HORIZON LLC 560   2017-12-15   
979-921 5 Hempstead TX   516C AT&T CORP. 560   2011-11-09   
979-921 6 Hempstead TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2013-04-24   
979-921 7 Hempstead TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2013-04-24   
979-921 8 Hempstead TX   073H TELNYX LLC 560   2014-04-25   
979-921 9 Hempstead TX   9533 SOUTHWESTERN BELL 560      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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