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: 330 [Rate centres in NPA 330] [Dial plan for NPA 330]

NXX: 750

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
330-750 A Youngstown OH STRTOH7575A  9321 OHIO BELL TEL CO 322      
330-750 0 Youngstown OH   9321 OHIO BELL TEL CO 322      
330-750 1 Youngstown OH   9321 OHIO BELL TEL CO 322      
330-750 2 Youngstown OH   9321 OHIO BELL TEL CO 322      
330-750 3 Youngstown OH   9321 OHIO BELL TEL CO 322      
330-750 4 Youngstown OH   9321 OHIO BELL TEL CO 322      
330-750 5 Youngstown OH   9321 OHIO BELL TEL CO 322      
330-750 6 Youngstown OH   9321 OHIO BELL TEL CO 322      
330-750 7 Youngstown OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322   2014-05-10   
330-750 8 Youngstown OH   9321 OHIO BELL TEL CO 322      
330-750 9 Youngstown OH   9321 OHIO BELL TEL CO 322      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.