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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 640 [Rate centres in NPA 640] [Dial plan for NPA 640]

NXX: 280

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-280 A Pleasantville NJ   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 220   2025-07-26   
640-280 1 Pleasantville NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 220   2026-01-21   
640-280 2 Pleasantville NJ   321J HD CARRIER LLC 220   2025-12-08   
640-280 3 Pleasantville NJ   321J HD CARRIER LLC 220   2025-12-08   
640-280 4 Pleasantville NJ   321J HD CARRIER LLC 220   2025-12-08   
640-280 5 Pleasantville NJ   321J HD CARRIER LLC 220   2025-12-08   
640-280 6 Pleasantville NJ   321J HD CARRIER LLC 220   2025-12-08   
640-280 9 Pleasantville NJ   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 220   2025-07-26   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.