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: 848 [Rate centres in NPA 848] [Dial plan for NPA 848]

NXX: 408

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
848-408 A Dunellen NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2026-08-29   
848-408 0 Dunellen NJ   637C ONVOY, LLC - NJ 224   2026-08-31   
848-408 1 Dunellen NJ   637C ONVOY, LLC - NJ 224   2026-08-31   
848-408 2 Dunellen NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2026-10-16   
848-408 3 Dunellen NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2026-10-16   
848-408 4 Dunellen NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2026-10-16   
848-408 5 Dunellen NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2026-10-16   
848-408 6 Dunellen NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2026-10-16   
848-408 7 Dunellen NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2026-10-16   
848-408 8 Dunellen NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2026-10-16   
848-408 9 Dunellen NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2026-08-29   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.