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: ANARMIMNDS0

Remotes:

Switch Switch name Switch type
HMBGMIMNRSA  HAMBURG  5BR 
MILNMIMNRSE  MILAN  5BR 
MNCHMIMNRSA  MANCHESTER  5ER 
PNCNMIMNRS1  PINCKNEY  EXM 
WILSMIWLRS0  WILLIS  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
734-213 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-214 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-222 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-232 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340   2004-07-02   
734-302 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-327 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-332 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-565 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-615 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-619 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-622 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-623 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-647 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-662 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-663 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-665 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-668 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-669 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-741 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-747 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-761 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-763 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-764 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-769 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-827 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-913 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-930 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-936 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-994 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-995 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-996 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-997 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      
734-998 A Ann Arbor MI 9323 AMERITECH MICHIGAN 340      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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