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.
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Switch: MNFDOHXAX1X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-538 6 Sidney OH 6701 AERIAL COMMUNICATIONS, INC. 923      
937-538 7 Sidney OH 6701 AERIAL COMMUNICATIONS, INC. 923      
937-538 8 Sidney OH 6701 AERIAL COMMUNICATIONS, INC. 923      
937-622 3 Sidney OH 6701 AERIAL COMMUNICATIONS, INC. 923   2010-08-11   
937-622 4 Sidney OH 6701 AERIAL COMMUNICATIONS, INC. 923   2010-08-11   
937-658 5 Sidney OH 6701 AERIAL COMMUNICATIONS, INC. 923   2021-04-27   
937-658 7 Sidney OH 6701 AERIAL COMMUNICATIONS, INC. 923   2021-04-27   
937-722 4 Bellefontaine OH 5562 METROPCS, INC. 923   2021-10-15   
937-844 7 Bellefontaine OH 5562 METROPCS, INC. 923   2005-01-30   
937-844 9 Bellefontaine OH 5562 METROPCS, INC. 923      
937-893 3 Marysville OH 5562 METROPCS, INC. 923   2017-09-04   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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