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: 442 [Rate centres in NPA 442] [Dial plan for NPA 442]

NXX: 944

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-944 A Vista CA SNDGCA0263Z  965H FRACTEL, LLC 732      
442-944 0 Vista CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2022-03-09   
442-944 1 Vista CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2022-03-09   
442-944 2 Vista CA   6529 T-MOBILE USA, INC. 732   2023-06-17   
442-944 3 Vista CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2023-06-05   
442-944 4 Vista CA   965H FRACTEL, LLC 732   2021-12-24   
442-944 5 Vista CA   6529 T-MOBILE USA, INC. 732   2023-07-25   
442-944 6 Vista CA   6529 T-MOBILE USA, INC. 732   2023-08-01   
442-944 7 Vista CA   6529 T-MOBILE USA, INC. 732   2022-04-02   
442-944 8 Vista CA   6529 T-MOBILE USA, INC. 732   2022-04-02   
442-944 9 Vista CA   6529 T-MOBILE USA, INC. 732   2021-12-25   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.