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: GDRPMIESDS0

Remotes:

Switch Switch name Switch type
ALTOMIMNRSA  ALTO  5ER 
BLDNMIMNRSA  BELDING  5ER 
CLDNMICLRSA  CALEDONIA  5ER 
CLVLMIMNRSA  CLARKSVILLE  5ER 
GNVLMIMNRS1  GREENVILLE  EXM 
HSNGMIHSRS0  HASTINGS  5ER 
IONIMIMNRSA  IONIA  5ER 
LKODMIMNRSA  LAKE ODESSA  5ER 
LWLLMIMNRSA  LOWELL  5ER 
MDVLMIMNRSA  MIDDLEVILLE  5ER 
SRNCMIDCRSA  SARANAC  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
616-955 A Grand Rapids MI 9323 MICHIGAN BELL TEL CO 348      

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

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