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.

Castalia, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
419-684 A CSTLOH68RS1  9321 OHIO BELL TEL CO 326      
419-684 0 TOLDOH21XUX  001F BANDWIDTH.COM CLEC, LLC - OH 326      
419-684 1 TOLDOHPGPS0  7608 BUCKEYE TELESYSTEM, INC. - OH 326      
419-684 2 TOLDOH21XUX  001F BANDWIDTH.COM CLEC, LLC - OH 326      
419-684 3 TOLDOH21XZY  516C AT&T CORP. 326      
419-684 4 TOLDOH21XKZ  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 326      
419-684 5 CSTLOH68RS1  9321 OHIO BELL TEL CO 326      
419-684 6 CSTLOH68RS1  9321 OHIO BELL TEL CO 326      
419-684 7 CSTLOH68RS1  9321 OHIO BELL TEL CO 326      
419-684 8 TOLEOHAC3MD  464C ONVOY, LLC - OH 326      
419-684 9 CSTLOH68RS1  9321 OHIO BELL TEL CO 326      
419-848 A TOLEOHAC3MD  464C ONVOY, LLC - OH 326      
419-848 0 TOLEOHAC3MD  464C ONVOY, LLC - OH 326      
419-848 1   515J IP HORIZON LLC 326      
419-848 2 TOLEOHAC3MD  464C ONVOY, LLC - OH 326      
419-848 3   624H ONVOY SPECTRUM, LLC 326      
419-848 7   939H COMMIO, LLC 326      
419-848 8 TOLDOH2107Z  145J TERRA NOVA TELECOM INC. 326      
419-848 9   939H COMMIO, LLC 326      
567-243 A   829J PAETEC ITEL, LLC 326      
567-243 0 TOLDOH21DS4  284F PEERLESS NETWORK OF OHIO, LLC - OH 326      
567-243 1 NPLNOHXARMD  508J CENTURYLINK COMMUNICATIONS, LLC 326      
567-243 2 TOLDOH21XUX  001F BANDWIDTH.COM CLEC, LLC - OH 326      
567-243 3 TOLEOHAC3MD  464C ONVOY, LLC - OH 326      
567-243 4 TOLDOHIR3MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 326      
567-243 5 TOLDOHIR3MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 326      
567-243 6   829J PAETEC ITEL, LLC 326      
567-243 7 TOLEOHAC3MD  464C ONVOY, LLC - OH 326      
567-243 8 TOLEOHAC3MD  464C ONVOY, LLC - OH 326      
567-243 9 TOLDOH2113Z  516J TON80 COMMUNICATIONS, LLC 326      
567-979 A TOLDOH21XUX  001F BANDWIDTH.COM CLEC, LLC - OH 326      
567-979 0 TOLDOH21XUX  001F BANDWIDTH.COM CLEC, LLC - OH 326      
567-979 1 TOLDOH21XXZ  073H TELNYX LLC 326      
567-979 2 TOLDOH21XYZ  939H COMMIO, LLC 326      
567-979 3 TOLDOH21XYZ  939H COMMIO, LLC 326      
567-979 4 TOLDOH21XYZ  939H COMMIO, LLC 326      
567-979 5 TOLDOH21XYZ  939H COMMIO, LLC 326      
567-979 6 TOLDOH21XYZ  939H COMMIO, LLC 326      
567-979 7 TOLEOHAC3MD  464C ONVOY, LLC - OH 326      
567-979 8 TOLDOH21DS4  284F PEERLESS NETWORK OF OHIO, LLC - OH 326      
567-979 9 TOLEOHAC3MD  464C ONVOY, LLC - OH 326      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.