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: CMBRMABENMD

<< 1 2 3 4 5 6 7 8 9 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
857-822 8 Somerville MA 624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-822 9 Somerville MA 624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-833 A Winthrop MA 624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-833 7 Winthrop MA 624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-833 8 Winthrop MA 624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-833 9 Winthrop MA 624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-837 4 Charlestown MA 624H ONVOY SPECTRUM, LLC 128   2021-04-08   
857-847 A Dorchester MA 624H ONVOY SPECTRUM, LLC 128      
857-847 7 Dorchester MA 624H ONVOY SPECTRUM, LLC 128   2021-05-17   
857-857 A Newton MA 624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-857 7 Newton MA 624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-857 8 Newton MA 624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-857 9 Newton MA 624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-858 8 Newton MA 624H ONVOY SPECTRUM, LLC 128   2021-04-11   
857-867 A Brookline MA 624H ONVOY SPECTRUM, LLC 128      
857-867 3 Brookline MA 624H ONVOY SPECTRUM, LLC 128   2022-01-22   
857-867 4 Brookline MA 624H ONVOY SPECTRUM, LLC 128   2022-01-22   
857-867 8 Brookline MA 624H ONVOY SPECTRUM, LLC 128   2021-05-17   
857-877 8 Brighton MA 624H ONVOY SPECTRUM, LLC 128   2024-12-06   
857-887 A Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128      
857-887 5 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2021-02-23   
857-887 6 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2021-02-23   
857-887 7 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2021-02-23   
857-887 8 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2021-02-19   
857-995 2 Somerville MA 624H ONVOY SPECTRUM, LLC 128   2021-04-12   
978-203 8 Wilmington MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-222 5 North Reading MA 624H ONVOY SPECTRUM, LLC 128   2021-04-11   
978-229 1 Wilmington MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-245 9 Concord MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-255 0 Newburyport MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-277 0 Templeton MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-277 2 Templeton MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-285 9 Petersham MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-301 0 Petersham MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-358 0 Newburyport MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-412 0 Ipswich MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-416 5 Lawrence MA 624H ONVOY SPECTRUM, LLC 128   2022-01-15   
978-432 3 Rowley MA 624H ONVOY SPECTRUM, LLC 128   2021-04-12   
978-440 4 Sudbury MA 624H ONVOY SPECTRUM, LLC 128   2021-04-15   
978-445 8 Sudbury MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-450 3 Maynard MA 624H ONVOY SPECTRUM, LLC 128   2021-04-10   
978-450 8 Maynard MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-450 9 Maynard MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-467 8 Westford MA 624H ONVOY SPECTRUM, LLC 128   2021-04-15   
978-482 1 Andover MA 624H ONVOY SPECTRUM, LLC 128   2021-04-03   
978-482 9 Andover MA 624H ONVOY SPECTRUM, LLC 128   2021-12-04   
978-487 0 Ayer MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-487 8 Ayer MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-507 7 Sudbury MA 624H ONVOY SPECTRUM, LLC 128   2021-09-03   
978-520 5 Wilmington MA 624H ONVOY SPECTRUM, LLC 128   2021-04-15   
978-527 5 Wilmington MA 624H ONVOY SPECTRUM, LLC 128   2022-03-18   
978-527 7 Wilmington MA 624H ONVOY SPECTRUM, LLC 128   2022-03-18   
978-558 8 Bolton MA 624H ONVOY SPECTRUM, LLC 128   2021-03-03   
978-565 6 Salem MA 624H ONVOY SPECTRUM, LLC 128   2021-04-12   
978-575 2 Athol (Franklin County) MA 624H ONVOY SPECTRUM, LLC 128   2021-04-22   
978-576 5 Concord MA 624H ONVOY SPECTRUM, LLC 128   2021-04-08   
978-586 4 Bolton MA 624H ONVOY SPECTRUM, LLC 128   2021-03-03   
978-586 6 Bolton MA 624H ONVOY SPECTRUM, LLC 128   2021-01-15   
978-588 9 Ayer MA 624H ONVOY SPECTRUM, LLC 128   2021-03-03   
978-597 4 Townsend MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-629 6 Billerica MA 624H ONVOY SPECTRUM, LLC 128   2021-04-05   
978-643 4 Barre MA 624H ONVOY SPECTRUM, LLC 128   2021-04-05   
978-645 3 Lawrence MA 624H ONVOY SPECTRUM, LLC 128   2022-01-15   
978-645 4 Lawrence MA 624H ONVOY SPECTRUM, LLC 128   2022-02-11   
978-647 4 Topsfield MA 624H ONVOY SPECTRUM, LLC 128   2021-04-15   
978-650 7 Pepperell MA 624H ONVOY SPECTRUM, LLC 128   2021-04-12   
978-666 9 Salem MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-669 6 Gardner MA 624H ONVOY SPECTRUM, LLC 128   2021-04-09   
978-672 6 Princeton MA 624H ONVOY SPECTRUM, LLC 128   2021-04-12   
978-673 1 Orange MA 624H ONVOY SPECTRUM, LLC 128   2021-04-11   
978-678 1 Sterling MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-678 6 Sterling MA 624H ONVOY SPECTRUM, LLC 128   2021-05-15   
978-678 9 Sterling MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-679 2 Littleton MA 624H ONVOY SPECTRUM, LLC 128   2022-01-17   
978-679 6 Littleton MA 624H ONVOY SPECTRUM, LLC 128   2021-01-15   
978-679 7 Littleton MA 624H ONVOY SPECTRUM, LLC 128   2022-01-17   
978-680 8 Concord MA 624H ONVOY SPECTRUM, LLC 128   2021-09-03   
978-693 6 West Newbury MA 624H ONVOY SPECTRUM, LLC 128   2020-07-06   
978-693 7 West Newbury MA 624H ONVOY SPECTRUM, LLC 128   2020-07-06   
978-693 8 West Newbury MA 624H ONVOY SPECTRUM, LLC 128   2020-07-06   
978-708 3 Groton MA 624H ONVOY SPECTRUM, LLC 128   2021-04-09   
978-715 0 Billerica MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-718 8 Ashburnham MA 624H ONVOY SPECTRUM, LLC 128   2021-04-04   
978-721 4 Athol MA 624H ONVOY SPECTRUM, LLC 128   2021-04-04   
978-724 2 Petersham MA 624H ONVOY SPECTRUM, LLC 128   2021-04-12   
978-724 7 Petersham MA 624H ONVOY SPECTRUM, LLC 128   2022-03-03   
978-724 8 Petersham MA 624H ONVOY SPECTRUM, LLC 128   2022-03-03   
978-742 0 Littleton MA 624H ONVOY SPECTRUM, LLC 128   2021-03-03   
978-748 8 Tyngsboro MA 624H ONVOY SPECTRUM, LLC 128   2021-08-27   
978-755 8 Townsend MA 624H ONVOY SPECTRUM, LLC 128   2021-04-15   
978-765 6 Clinton MA 624H ONVOY SPECTRUM, LLC 128   2021-04-08   
978-783 6 Andover MA 624H ONVOY SPECTRUM, LLC 128   2021-12-02   
978-796 7 Ayer MA 624H ONVOY SPECTRUM, LLC 128   2021-01-15   
978-797 4 Rockport MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-797 5 Rockport MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-813 6 Shirley MA 624H ONVOY SPECTRUM, LLC 128   2021-04-12   
978-819 7 West Newbury MA 624H ONVOY SPECTRUM, LLC 128   2022-03-03   
978-819 8 West Newbury MA 624H ONVOY SPECTRUM, LLC 128   2022-03-03   
978-830 8 Athol MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-830 9 Athol MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   

<< 1 2 3 4 5 6 7 8 9 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.