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.

Switch: SNDGTXSDRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
361-279 A San Diego TX 9533 SOUTHWESTERN BELL 564      
361-279 1 San Diego TX 9533 SOUTHWESTERN BELL 564      
361-279 2 San Diego TX 9533 SOUTHWESTERN BELL 564      
361-279 3 San Diego TX 9533 SOUTHWESTERN BELL 564      
361-279 6 San Diego TX 9533 SOUTHWESTERN BELL 564      
361-279 7 San Diego TX 9533 SOUTHWESTERN BELL 564      
361-279 8 San Diego TX 9533 SOUTHWESTERN BELL 564      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.