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: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-991 A Tyler TX LGVWTXPLX8Y  515J IP HORIZON LLC 554      
903-991 0 Tyler TX LGVWTXPLX7Y  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554   2021-04-29   
903-991 1 Tyler TX   515J IP HORIZON LLC 554   2020-11-19   
903-991 2 Tyler TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554   2020-12-03   
903-991 3 Tyler TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554   2020-12-03   
903-991 4 Tyler TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554   2020-12-03   
903-991 5 Tyler TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554   2020-12-03   
903-991 6 Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-04-02   
903-991 7 Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-04-02   
903-991 8 Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-02-05   
903-991 9 Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-02-05   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.