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: ABHGMIMNDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
248-265 A Birmingham MI 9323 AMERITECH MICHIGAN 340      
248-267 A Birmingham MI 9323 AMERITECH MICHIGAN 340      
248-293 A Auburn Heights MI 9323 AMERITECH MICHIGAN 340      
248-299 A Auburn Heights MI 9323 AMERITECH MICHIGAN 340      
248-312 A Birmingham MI 9323 AMERITECH MICHIGAN 340      
248-606 A Auburn Heights MI 9323 AMERITECH MICHIGAN 340      
248-641 A Birmingham MI 9323 AMERITECH MICHIGAN 340      
248-696 A Birmingham MI 9323 AMERITECH MICHIGAN 340      
248-813 A Troy MI 9323 AMERITECH MICHIGAN 340      
248-828 A Troy MI 9323 AMERITECH MICHIGAN 340      
248-844 A Auburn Heights MI 9323 AMERITECH MICHIGAN 340      
248-852 A Auburn Heights MI 9323 AMERITECH MICHIGAN 340      
248-853 A Auburn Heights MI 9323 AMERITECH MICHIGAN 340      
248-879 A Troy MI 9323 AMERITECH MICHIGAN 340      
248-952 A Birmingham MI 9323 AMERITECH MICHIGAN 340      
248-964 A Troy MI 9323 AMERITECH MICHIGAN 340      

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

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