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: SNANTXCADS2

Remotes:

Switch Switch name Switch type
SNANTXBARS3  SAN ANTONIO BABCOCK  ORM 
SNANTXDIRS0  SAN ANTONIO DIAMOND  ORM 
SNANTXEDRS2  SAN ANTONIO EDISON  RSL 
SNANTXFRRS5  SAN ANTONIO FRATT  ORM 
SNANTXGERS2  SAN ANTONIO GENERAL  ORM 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-473 0 Laredo TX 9533 SOUTHWESTERN BELL 566      

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

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