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: LIVNMIUX0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
313-208 A Detroit Zone 1 MI 5562 METROPCS, INC. 340      
313-257 A Detroit Zone 3 MI 5562 METROPCS, INC. 340      
313-293 A Detroit Zone 1 MI 5562 METROPCS, INC. 340      
313-459 A Detroit Zone 1 MI 5562 METROPCS, INC. 340      
313-629 A Detroit Zone 5 MI 5562 METROPCS, INC. 340      
313-728 A Detroit Zone 5 MI 5562 METROPCS, INC. 340      
313-918 A Detroit Zone 1 MI 5562 METROPCS, INC. 340      
313-948 A Detroit Zone 5 MI 5562 METROPCS, INC. 340      
313-955 A Detroit Zone 2 MI 5562 METROPCS, INC. 340      
517-514 A Clinton MI 5562 METROPCS, INC. 340      
734-772 A Livonia MI 5562 METROPCS, INC. 340      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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