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: STLSMO05XMX

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
618-461 9 St Elmo IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-475 5 New Athens IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-492 5 Edgewood IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-502 9 Fieldon IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-506 8 Hettick IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-507 1 Woodlawn IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-537 0 Lebanon IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-545 2 Centralia IL 624H ONVOY SPECTRUM, LLC 520   2021-12-10   
618-552 4 Sandoval IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-574 3 Aviston IL 624H ONVOY SPECTRUM, LLC 520   2021-07-02   
618-575 9 Sefton IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-576 4 Hardin IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-590 2 Dix IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-595 8 Shipman IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-598 9 Okawville IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-608 9 New Minden IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-618 0 Dubois IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-620 8 Hamburg IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-636 8 Alton IL 624H ONVOY SPECTRUM, LLC 520   2021-07-02   
618-642 9 Greenville IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-680 3 O'Fallon IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-682 0 Centralia IL 624H ONVOY SPECTRUM, LLC 520   2021-07-02   
618-685 8 Edwardsville IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-688 3 Edgemont IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-705 2 Albers IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-716 5 Trenton IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-720 8 Pocahontas IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-721 3 Brownstown IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-725 1 Vandalia IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-738 7 Altamont IL 624H ONVOY SPECTRUM, LLC 520   2021-11-13   
618-738 8 Altamont IL 624H ONVOY SPECTRUM, LLC 520   2021-11-13   
618-761 9 Hoffman IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-762 5 Waltonville IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-766 3 Irvington IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-769 4 Bartelso IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-796 1 Alton IL 624H ONVOY SPECTRUM, LLC 520   2021-12-10   
618-796 2 Alton IL 624H ONVOY SPECTRUM, LLC 520   2021-12-10   
618-819 8 Batchtown IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-828 8 Westview IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-832 8 Jerseyville IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-834 9 Brighton IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-860 8 Germantown IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-870 8 Bethalto IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-872 7 Glen Carbon IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-880 3 Nashville IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-881 4 Altamont IL 624H ONVOY SPECTRUM, LLC 520   2021-07-02   
618-890 1 Freeburg IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-892 3 Farina IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-903 0 Dorchester IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-909 8 Breese IL 624H ONVOY SPECTRUM, LLC 520   2025-01-04   

<< 1 2 3 4 5 6 7 8 >>

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.