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
640-244 A   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-07-05   
640-244 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-08-29   
640-244 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-08-29   
640-244 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-08-29   
640-244 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-08-29   
640-244 4   145J TERRA NOVA TELECOM INC. 222   2025-07-07   
640-244 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-08-29   
640-244 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-08-29   
640-244 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-07-05   
640-244 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-07-05   
640-244 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-07-05   
640-253 A CMDNNJCEXQY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-01-21   
640-253 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-12-23   
640-253 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-01-21   
640-253 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-01-21   
640-253 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-01-21   
640-253 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-01-21   
640-253 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-01-21   
640-253 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-01-21   
640-253 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-01-21   
640-253 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-01-21   
640-253 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-01-21   
640-258 A CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2024-04-19   
640-258 0   637C ONVOY, LLC - NJ 222   2024-04-19   
640-258 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-05-04   
640-258 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-05-04   
640-258 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-05-04   
640-258 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-05-04   
640-258 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-05-04   
640-258 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-05-04   
640-258 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-05-04   
640-258 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-05-04   
640-258 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-05-04   
640-260 A CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2024-06-20   
640-260 0   637C ONVOY, LLC - NJ 222   2024-06-20   
640-260 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-06-21   
640-260 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-06-21   
640-260 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-06-21   
640-260 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-06-21   
640-260 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-06-21   
640-260 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-06-21   
640-260 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-06-21   
640-260 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-06-21   
640-260 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-06-21   
640-264 A CMDNNJCEXQY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-09-08   
640-264 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-09-08   
640-264 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-09-08   
640-264 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-09-08   
640-264 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-09-08   
640-264 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-09-08   

<< 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.