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: 610 [Rate centres in NPA 610] [Dial plan for NPA 610]

NXX: 620

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-620 A West Chester PA PHLAPASLTMD  7421 AT&T - LOCAL 228      
610-620 0 West Chester PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-620 1 West Chester PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-620 2 West Chester PA   547E ONVOY, LLC - PA 228      
610-620 3 West Chester PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-620 4 West Chester PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-620 5 West Chester PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-620 6 West Chester PA WNRTPAAHCMA  5562 METROPCS, INC. 228      
610-620 7 West Chester PA WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      
610-620 8 West Chester PA WNRTPAAHCMA  5562 METROPCS, INC. 228      
610-620 9 West Chester PA PHLAPASLTMD  7421 AT&T - LOCAL 228      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.