Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 640 [Rate centres in NPA 640] [Dial plan for NPA 640]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-777 A Allentown NJ   145J TERRA NOVA TELECOM INC. 222   2019-05-26   
640-777 0 Allentown NJ   637C ONVOY, LLC NJ 222   2019-08-16   
640-777 1 Allentown NJ   425J CSC WIRELESS, LLC 222   2019-09-14   
640-777 2 Allentown NJ   425J CSC WIRELESS, LLC 222   2019-09-14   
640-777 3 Allentown NJ   425J CSC WIRELESS, LLC 222   2019-10-01   
640-777 4 Allentown NJ   425J CSC WIRELESS, LLC 222   2019-10-01   
640-777 7 Allentown NJ   145J TERRA NOVA TELECOM INC. 222   2019-05-26   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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