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: 518 [Rate centres in NPA 518] [Dial plan for NPA 518]

NXX: 943

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
518-943 A Catskill NY CTSKNYCTDS0  9104 VERIZON NEW YORK, INC. 134      
518-943 0 Catskill NY CTSKNYCTDS0  9104 VERIZON NEW YORK, INC. 134      
518-943 1 Catskill NY CTSKNYCTDS0  9104 VERIZON NEW YORK, INC. 134      
518-943 2 Catskill NY CTSKNYCTDS0  9104 VERIZON NEW YORK, INC. 134      
518-943 3 Catskill NY CTSKNYCTDS0  9104 VERIZON NEW YORK, INC. 134      
518-943 4 Catskill NY CTSKNYCTDS0  9104 VERIZON NEW YORK, INC. 134      
518-943 5 Catskill NY CTSKNYCTDS0  9104 VERIZON NEW YORK, INC. 134      
518-943 6 Catskill NY CTSKNYCTDS0  9104 VERIZON NEW YORK, INC. 134      
518-943 7 Catskill NY CTSKNYCTDS0  9104 VERIZON NEW YORK, INC. 134      
518-943 8 Catskill NY ALBYNYSSXCY  384C ONVOY, LLC- NY 134   2020-10-15   
518-943 9 Catskill NY CTSKNYCTDS0  9104 VERIZON NEW YORK, INC. 134      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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