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: 770 [Rate centres in NPA 770] [Dial plan for NPA 770]

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
770-203 A Cumming GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438      
770-203 0 Cumming GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438      
770-203 1 Cumming GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438      
770-203 2 Cumming GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438      
770-203 3 Cumming GA NRCSGAGZ5MD  5562 METROPCS, INC. 438      
770-203 4 Cumming GA NRCRGAISDS0  8392 TELEPORT COMMUNICATIONS AMERICA, LLC - GA 438      
770-203 5 Cumming GA NRCSGAGZ5MD  5562 METROPCS, INC. 438      
770-203 6 Cumming GA NRCSGAGZ5MD  5562 METROPCS, INC. 438      
770-203 7 Cumming GA NRCSGAGZ5MD  5562 METROPCS, INC. 438      
770-203 8 Cumming GA NRCSGAGZ5MD  5562 METROPCS, INC. 438      
770-203 9 Cumming GA NRCSGAJTG05  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 438      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.