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.

OCN: 114J EXIANT COMMUNICATIONS LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
309-990 A Monmouth IL   977   2026-05-15   
309-990 0 Monmouth IL   977   2026-05-15   
313-464 A Detroit Zone 6 MI SFLDMITO6MD  340      
313-464 1 Detroit Zone 6 MI SFLDMITO6MD  340   2019-11-07   
314-924 A St Louis MO STLSMOWQ9MD  520      
314-924 1 St Louis MO STLSMOWQ9MD  520   2018-04-29   
315-900 1 Sempronius NY   136   2023-07-03   
315-900 2 Sempronius NY   136   2023-07-03   
315-900 3 Sempronius NY   136   2023-07-03   
315-900 4 Sempronius NY   136   2023-07-03   
315-900 5 Sempronius NY   136   2023-07-03   
315-900 6 Sempronius NY   136   2023-07-03   
315-900 7 Sempronius NY   136   2023-07-03   
315-900 8 Sempronius NY   136   2023-07-03   
318-725 A Shreveport LA SHPTLAMA09Z  486      
318-725 1 Shreveport LA SHPTLAMA09Z  486   2019-12-27   
319-587 A Cedar Rapids IA   635   2026-05-10   
319-587 8 Cedar Rapids IA   635   2026-05-10   
320-869 A St Cloud MN   626   2026-05-21   
320-869 3 St Cloud MN   626   2026-05-21   
327-207 8 Newport AR   528   2025-06-22   
332-587 A New York City Zone 01 NY   132   2026-04-30   
332-587 8 New York City Zone 01 NY   132   2026-04-30   
336-336 1 Julian NC   424   2026-04-23   
337-270 A Lafayette LA LFYTLAMAXBZ  488      
337-270 1 Lafayette LA LFYTLAMAXBZ  488   2019-12-27   
341-341 1 Fremont-Newark: Oliver DA CA   722   2026-04-23   
346-296 A Pinehurst TX HSTNTXYAIMD  560      
346-296 1 Pinehurst TX HSTNTXYAIMD  560   2018-04-23   
347-222 0 New York City Zone 06 NY   132   2022-10-24   
347-222 4 New York City Zone 06 NY   132   2022-09-23   
347-800 1 New York City Zone 04 NY   132   2023-08-05   
347-800 2 New York City Zone 04 NY   132   2023-08-05   
347-800 3 New York City Zone 04 NY   132   2023-08-05   
347-800 4 New York City Zone 04 NY   132   2023-08-05   
347-800 5 New York City Zone 04 NY   132   2023-08-05   
347-800 6 New York City Zone 04 NY   132   2023-08-05   
347-800 7 New York City Zone 04 NY   132   2023-08-05   
347-800 9 New York City Zone 04 NY   132   2023-08-05   
347-900 2 New York City Zone 06 NY   132   2023-08-26   
347-900 3 New York City Zone 06 NY   132   2023-08-26   
347-900 4 New York City Zone 06 NY   132   2023-08-26   
347-900 5 New York City Zone 06 NY   132   2023-08-26   
347-900 6 New York City Zone 06 NY   132   2023-08-26   
347-900 7 New York City Zone 06 NY   132   2023-08-26   
347-900 8 New York City Zone 06 NY   132   2023-08-26   
350-900 9 Tracy CA   738   2026-04-23   
351-209 A Acton MA BSTPMALLWMD  128      
351-209 1 Acton MA BSTPMALLWMD  128   2019-04-14   
352-574 A Gainesville FL OCALFLXAXUZ  45402      

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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