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: 288

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-288 A Trenton NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222   2025-08-24   
640-288 0 Trenton NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222   2025-08-24   
640-288 1 Trenton NJ   732J NUSO, LLC 222   2025-08-25   
640-288 5 Trenton NJ   321J HD CARRIER LLC 222   2025-12-11   
640-288 6 Trenton NJ   321J HD CARRIER LLC 222   2025-12-11   
640-288 7 Trenton NJ   321J HD CARRIER LLC 222   2025-12-11   
640-288 8 Trenton NJ   321J HD CARRIER LLC 222   2025-12-11   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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