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: 207 [Rate centres in NPA 207] [Dial plan for NPA 207]

NXX: 523

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
207-523 A Portland ME PTLDMEFOX2Y  2733 CTC COMMUNICATIONS CORP. - ME 120      
207-523 0 Portland ME WSBKMEPQGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 120      
207-523 1 Portland ME PTLDMEFOX2Y  2733 CTC COMMUNICATIONS CORP. - ME 120      
207-523 2 Portland ME PTLDMEFOX2Y  2733 CTC COMMUNICATIONS CORP. - ME 120      
207-523 3 Portland ME PTLDMEFOX2Y  2733 CTC COMMUNICATIONS CORP. - ME 120      
207-523 4 Portland ME PTLDMEFOX2Y  2733 CTC COMMUNICATIONS CORP. - ME 120      
207-523 5 Portland ME PTLDMEFOX2Y  2733 CTC COMMUNICATIONS CORP. - ME 120      
207-523 6 Portland ME PTLDMEFODS0  5111 CONSOLIDATED COMM OF NO. NEW ENGLAND-ME 120      
207-523 7 Portland ME PTLDMEFODS0  5111 CONSOLIDATED COMM OF NO. NEW ENGLAND-ME 120      
207-523 8 Portland ME PTLDMEFOX2Y  2733 CTC COMMUNICATIONS CORP. - ME 120      
207-523 9 Portland ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.