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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NPA: 939 [Rate centres in NPA 939] [Dial plan for NPA 939]

NXX: 649

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
939-649 A Arecibo PR BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820      
939-649 0 Arecibo PR   8645 SUNCOM DBA T-MOBILE USA 820   2014-08-29   
939-649 1 Arecibo PR   8645 SUNCOM DBA T-MOBILE USA 820   2014-08-29   
939-649 2 Arecibo PR   8645 SUNCOM DBA T-MOBILE USA 820   2014-08-29   
939-649 3 Arecibo PR   8645 SUNCOM DBA T-MOBILE USA 820   2021-09-18   
939-649 4 Arecibo PR   559F NEUTRAL TANDEM - PR 820   2021-01-25   
939-649 5 Arecibo PR   8645 SUNCOM DBA T-MOBILE USA 820   2021-09-18   
939-649 6 Arecibo PR   8645 SUNCOM DBA T-MOBILE USA 820   2021-12-23   
939-649 7 Arecibo PR   8645 SUNCOM DBA T-MOBILE USA 820   2021-12-23   
939-649 8 Arecibo PR   8645 SUNCOM DBA T-MOBILE USA 820   2021-12-23   
939-649 9 Arecibo PR   8645 SUNCOM DBA T-MOBILE USA 820   2014-08-29   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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