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: 910 [Rate centres in NPA 910] [Dial plan for NPA 910]

NXX: 492

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
910-492 A Long Beach NC WLMGNCFOXVY  478J NUSO, LLC 428      
910-492 0 Long Beach NC   638E ONVOY, LLC - NC 428   2023-09-18   
910-492 1 Long Beach NC   478J NUSO, LLC 428   2020-10-27   
910-492 2 Long Beach NC   638E ONVOY, LLC - NC 428   2021-03-28   
910-492 3 Long Beach NC   638E ONVOY, LLC - NC 428   2021-03-28   
910-492 4 Long Beach NC   638E ONVOY, LLC - NC 428   2023-02-10   
910-492 5 Long Beach NC   478J NUSO, LLC 428   2023-12-02   
910-492 6 Long Beach NC   516J TON80 COMMUNICATIONS, LLC 428   2021-10-21   
910-492 8 Long Beach NC   350F PEERLESS NETWORK OF NORTH CAROLINA, LLC - NC 428   2023-10-28   
910-492 9 Long Beach NC   350F PEERLESS NETWORK OF NORTH CAROLINA, LLC - NC 428   2020-10-29   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.