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: 538

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
207-538 A Houlton ME LTTNMEYARS1  5111 CONSOLIDATED COMM OF NO. NEW ENGLAND-ME 120      
207-538 0 Houlton ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120   2008-01-25   
207-538 1 Houlton ME PTLDMECMAMD  6386 BELL ATLANTIC MOBILE, INC 120   2008-12-21   
207-538 2 Houlton ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120   2014-03-23   
207-538 3 Houlton ME PTLDME02DS2  9472 BIDDEFORD INTERNET CORPORATION - ME 120   2007-01-11   
207-538 4 Houlton ME LTTNMEYARS1  5111 CONSOLIDATED COMM OF NO. NEW ENGLAND-ME 120      
207-538 5 Houlton ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120   2006-07-15   
207-538 6 Houlton ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120   2003-02-22   
207-538 7 Houlton ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120   2003-02-22   
207-538 8 Houlton ME PTLDMEFOXBZ  6291 UNITED STATES CELLULAR - ME 120   2007-07-31   
207-538 9 Houlton ME LTTNMEYARS1  5111 CONSOLIDATED COMM OF NO. NEW ENGLAND-ME 120      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.