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.

NPA: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

NXX: 299

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-299 A Lampasas TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-299 0 Lampasas TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2018-04-27   
737-299 1 Lampasas TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2018-08-24   
737-299 2 Lampasas TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2019-08-24   
737-299 3 Lampasas TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2018-11-16   
737-299 4 Lampasas TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-03-22   
737-299 5 Lampasas TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-03-22   
737-299 6 Lampasas TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-03-22   
737-299 7 Lampasas TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-08-15   
737-299 8 Lampasas TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-08-15   
737-299 9 Lampasas TX AUSTTXGR03Z  158H INVOXIO INCORPORATED 558   2018-07-29   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.