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: TROYMIMNXPX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
734-227 A Monroe MI 6630 USA MOBILITY WIRELESS, INC. 340      
734-360 A Flat Rock MI 6630 USA MOBILITY WIRELESS, INC. 340      
734-380 A Romulus MI 6630 USA MOBILITY WIRELESS, INC. 340      
734-473 A Ann Arbor MI 6630 USA MOBILITY WIRELESS, INC. 340      
734-509 A Ann Arbor MI 6630 USA MOBILITY WIRELESS, INC. 340      
734-825 A Livonia MI 6630 USA MOBILITY WIRELESS, INC. 340      
734-907 A Trenton MI 6630 USA MOBILITY WIRELESS, INC. 340      
810-290 A Flint MI 6630 USA MOBILITY WIRELESS, INC. 340      
810-528 A Flint MI 6630 USA MOBILITY WIRELESS, INC. 340      
810-581 A Marine City MI 6630 USA MOBILITY WIRELESS, INC. 340      
810-971 A Port Huron MI 6630 USA MOBILITY WIRELESS, INC. 340      
810-973 A Lapeer MI 6630 USA MOBILITY WIRELESS, INC. 340      

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Last updated: Tue, 04 May 2021 15:04:27 UTC

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