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: ELNSMIMNDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-203 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-203 0 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-203 1 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-203 2 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-203 3 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-203 4 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-203 7 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-324 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-332 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-333 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-336 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-336 0 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-336 1 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-336 2 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-336 4 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-336 5 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-336 6 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-336 7 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-336 8 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-336 9 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-337 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-351 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-353 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-355 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-432 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-664 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-664 1 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-664 2 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-664 4 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-664 5 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-664 6 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-664 7 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-664 8 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-884 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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