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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OCN: 637G ST. MAARTEN TELEPHONE COMPANY, NV

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
721-525 A Philipsburg SM SWCHSFUNKNO  830      
721-542 A Philipsburg SM SWCHSFUNKNO  830      
721-543 A Philipsburg SM SWCHSFUNKNO  830      
721-544 A Philipsburg SM SWCHSFUNKNO  830      
721-545 A Philipsburg SM SWCHSFUNKNO  830      
721-546 A Philipsburg SM SWCHSFUNKNO  830      
721-547 A Philipsburg SM SWCHSFUNKNO  830      
721-548 A Philipsburg SM SWCHSFUNKNO  830      
721-549 A Philipsburg SM SWCHSFUNKNO  830      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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