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: SNMNAZMADS0

Remotes:

Switch Switch name Switch type
DDVLAZNMRS1  DUDLEYVILLE  RSC 
GLOBAZMARS1  GLOBE  RSC 
HYDNAZMARS1  HAYDEN  RSC 
KRNYAZMARS1  KEARNY  RSC 
MIAMAZMARS1  MIAMI  RSC 
MMTHAZMARS1  MAMMOTH  RSC 
ORCLAZMARS1  ORACLE  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-385 A San Manuel AZ 9636 QWEST CORPORATION 668      
520-385 0 San Manuel AZ 9636 QWEST CORPORATION 668      
520-385 1 San Manuel AZ 9636 QWEST CORPORATION 668      
520-385 2 San Manuel AZ 9636 QWEST CORPORATION 668      
520-385 3 San Manuel AZ 9636 QWEST CORPORATION 668      
520-385 4 San Manuel AZ 9636 QWEST CORPORATION 668      
520-385 9 San Manuel AZ 9636 QWEST CORPORATION 668      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.