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: 229

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-229 A Cranbury NJ CMDNNJCE71Z  490J DISH WIRELESS, LLC 222      
640-229 0 Cranbury NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2023-10-21   
640-229 1 Cranbury NJ CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222   2023-01-06   
640-229 2 Cranbury NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222   2024-01-28   
640-229 3 Cranbury NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222   2024-01-28   
640-229 4 Cranbury NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2023-02-05   
640-229 5 Cranbury NJ CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222   2023-03-09   
640-229 6 Cranbury NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2023-01-01   
640-229 7 Cranbury NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2022-11-27   
640-229 8 Cranbury NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2022-11-27   
640-229 9 Cranbury NJ CMDNNJCE71Z  490J DISH WIRELESS, LLC 222   2022-10-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.