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: DLCYTXXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
575-826 A Guadalupe Peak NM 4433 DELL TEL. CORP. INC. - NM 540      
575-963 A Dell City NM 4433 DELL TEL. CORP. INC. - NM 540      
575-981 A Queen NM 4433 DELL TEL. CORP. INC. - NM 540      
575-987 A Timberon NM 4433 DELL TEL. CORP. INC. - NM 540      
915-828 A Guadalupe Peak TX 4434 DELL TEL. CORP. INC. - TX 540      
915-964 A Dell City TX 4434 DELL TEL. CORP. INC. - TX 540      
915-986 A Mile High TX 4434 DELL TEL. CORP. INC. - TX 540      
915-988 A Desert Haven TX 4434 DELL TEL. CORP. INC. - TX 540      

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

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