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.

Lawrenceville, NJ

<< 1 2 3 4 5 6 7 8

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
640-294 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-01-20   
640-294 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-01-20   
640-294 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-01-20   
640-294 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-01-20   
640-294 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-01-20   
640-294 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-01-20   
640-294 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-01-20   
640-294 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-01-20   
640-294 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-01-20   
640-294 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-01-20   
640-295 A   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-01-20   
640-295 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-02-21   
640-295 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-02-21   
640-295 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-02-21   
640-295 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-02-21   
640-295 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-02-21   
640-295 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-02-21   
640-295 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-02-21   
640-295 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-02-21   
640-295 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-02-21   
640-295 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-01-20   
640-299 A   637C ONVOY, LLC - NJ 222   2026-03-20   
640-299 0   637C ONVOY, LLC - NJ 222   2026-03-20   

<< 1 2 3 4 5 6 7 8

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.