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.

NPA: 937 [Rate centres in NPA 937] [Dial plan for NPA 937]

NXX: 984

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-984 A Milford Center OH BLLFOHXAQMD  506J TWILIO INTERNATIONAL, INC. 923   2025-01-18   
937-984 0 Milford Center OH MNFDOHXAX0Y  073H TELNYX LLC 923   2021-01-09   
937-984 1 Milford Center OH BLLFOHXASMD  464C ONVOY, LLC - OH 923   2020-07-25   
937-984 2 Milford Center OH BLLFOHXASMD  464C ONVOY, LLC - OH 923   2020-07-25   
937-984 3 Milford Center OH BLLFOHXASMD  464C ONVOY, LLC - OH 923   2021-06-26   
937-984 4 Milford Center OH BLLFOHXASMD  464C ONVOY, LLC - OH 923   2021-05-31   
937-984 5 Milford Center OH BLLFOHXASMD  464C ONVOY, LLC - OH 923   2021-05-31   
937-984 8 Milford Center OH BLLFOHXASMD  464C ONVOY, LLC - OH 923   2021-05-30   
937-984 9 Milford Center OH BLLFOHXAQMD  506J TWILIO INTERNATIONAL, INC. 923   2025-01-19   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.