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: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-688 A Farmingdale NY NYCMNYBXDS0  7140 TC SYSTEMS, INC. - NY 132      
631-688 0 Farmingdale NY NYCMNY83DS2  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132   2010-10-26   
631-688 2 Farmingdale NY NYCMNY83DS2  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132   2010-10-26   
631-688 5 Farmingdale NY NYCMNYBXDS0  7140 TC SYSTEMS, INC. - NY 132      

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

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