Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 631 [Rate centres in NPA 631] [Dial plan for NPA 631]

NXX: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-531 A Farmingdale NY FRDLNYFMDS0  9104 VERIZON NEW YORK INC. 132      
631-531 0 Farmingdale NY   9104 VERIZON NEW YORK INC. 132      
631-531 1 Farmingdale NY   9104 VERIZON NEW YORK INC. 132      
631-531 2 Farmingdale NY   9104 VERIZON NEW YORK INC. 132   2005-06-11   
631-531 5 Farmingdale NY   9104 VERIZON NEW YORK INC. 132      
631-531 6 Farmingdale NY   9104 VERIZON NEW YORK INC. 132      
631-531 7 Farmingdale NY   8340 XO NEW YORK, INC. 132   2010-10-26   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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