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.

Switch: DYTNOH2222J

1 2 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-208 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-220 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-221 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-221 0 Dayton OH 9321 OHIO BELL TEL CO 328      
937-221 1 Dayton OH 9321 OHIO BELL TEL CO 328      
937-221 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-221 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-221 4 Dayton OH 9321 OHIO BELL TEL CO 328      
937-221 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-221 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-221 7 Dayton OH 9321 OHIO BELL TEL CO 328      
937-222 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-223 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-224 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-225 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-225 0 Dayton OH 9321 OHIO BELL TEL CO 328      
937-225 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-225 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-225 4 Dayton OH 9321 OHIO BELL TEL CO 328      
937-225 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-225 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-225 7 Dayton OH 9321 OHIO BELL TEL CO 328      
937-225 8 Dayton OH 9321 OHIO BELL TEL CO 328      
937-225 9 Dayton OH 9321 OHIO BELL TEL CO 328      
937-226 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-226 0 Dayton OH 9321 OHIO BELL TEL CO 328      
937-226 1 Dayton OH 9321 OHIO BELL TEL CO 328      
937-226 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-226 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-226 4 Dayton OH 9321 OHIO BELL TEL CO 328      
937-226 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-226 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-226 7 Dayton OH 9321 OHIO BELL TEL CO 328      
937-226 8 Dayton OH 9321 OHIO BELL TEL CO 328      
937-227 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-228 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-228 0 Dayton OH 9321 OHIO BELL TEL CO 328      
937-228 1 Dayton OH 9321 OHIO BELL TEL CO 328      
937-228 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-228 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-228 4 Dayton OH 9321 OHIO BELL TEL CO 328      
937-228 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-228 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-228 7 Dayton OH 9321 OHIO BELL TEL CO 328      
937-228 8 Dayton OH 9321 OHIO BELL TEL CO 328      
937-229 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-229 0 Dayton OH 9321 OHIO BELL TEL CO 328      
937-229 1 Dayton OH 9321 OHIO BELL TEL CO 328      
937-229 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-229 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-229 4 Dayton OH 9321 OHIO BELL TEL CO 328      
937-229 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-229 7 Dayton OH 9321 OHIO BELL TEL CO 328      
937-229 8 Dayton OH 9321 OHIO BELL TEL CO 328      
937-229 9 Dayton OH 9321 OHIO BELL TEL CO 328      
937-234 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-234 0 Dayton OH 9321 OHIO BELL TEL CO 328      
937-234 1 Dayton OH 9321 OHIO BELL TEL CO 328      
937-234 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-234 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-234 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-234 8 Dayton OH 9321 OHIO BELL TEL CO 328      
937-234 9 Dayton OH 9321 OHIO BELL TEL CO 328      
937-285 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-285 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-285 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-285 4 Dayton OH 9321 OHIO BELL TEL CO 328      
937-285 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-285 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-285 7 Dayton OH 9321 OHIO BELL TEL CO 328      
937-285 8 Dayton OH 9321 OHIO BELL TEL CO 328      
937-285 9 Dayton OH 9321 OHIO BELL TEL CO 328      
937-331 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-331 0 Dayton OH 9321 OHIO BELL TEL CO 328      
937-331 1 Dayton OH 9321 OHIO BELL TEL CO 328      
937-331 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-331 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-331 4 Dayton OH 9321 OHIO BELL TEL CO 328      
937-331 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-331 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-331 9 Dayton OH 9321 OHIO BELL TEL CO 328      
937-333 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-341 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-443 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-443 0 Dayton OH 9321 OHIO BELL TEL CO 328      
937-443 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-443 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-443 4 Dayton OH 9321 OHIO BELL TEL CO 328      
937-443 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-443 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-443 8 Dayton OH 9321 OHIO BELL TEL CO 328      
937-443 9 Dayton OH 9321 OHIO BELL TEL CO 328      
937-445 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-449 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-449 1 Dayton OH 9321 OHIO BELL TEL CO 328      
937-449 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-449 4 Dayton OH 9321 OHIO BELL TEL CO 328      
937-449 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-449 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-449 7 Dayton OH 9321 OHIO BELL TEL CO 328      

1 2 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.