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: 445 [Rate centres in NPA 445] [Dial plan for NPA 445]

NXX: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
445-221 A Philadelphia Zone 1 PA WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      
445-221 0 Philadelphia Zone 1 PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228      
445-221 1 Philadelphia Zone 1 PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228      
445-221 2 Philadelphia Zone 1 PA KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228      
445-221 3 Philadelphia Zone 1 PA KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228      
445-221 4 Philadelphia Zone 1 PA KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228      
445-221 5 Philadelphia Zone 1 PA KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228      
445-221 6 Philadelphia Zone 1 PA WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      
445-221 7 Philadelphia Zone 1 PA WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      
445-221 8 Philadelphia Zone 1 PA WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      
445-221 9 Philadelphia Zone 1 PA WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.