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: HLRNCOFP1MD

1 2 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
303-607 8 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656      
303-636 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656      
303-645 3 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2016-04-17   
303-830 4 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-08-06   
308-365 7 North Julesburg NE 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-03-16   
720-239 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-08-05   
720-345 5 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2008-06-30   
720-356 4 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-08-05   
720-414 7 Allens Park-Lyons CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-22   
720-453 1 Longmont CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-01-19   
720-463 6 Deckers CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
720-510 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-08-05   
720-531 0 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2016-10-03   
720-531 1 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2016-10-09   
720-531 6 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2016-10-09   
720-531 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2016-10-09   
720-531 8 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2016-10-09   
720-531 9 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2016-10-09   
720-571 6 Allens Park-Lyons CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2018-03-19   
720-580 7 Keenesburg CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
720-586 6 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-07-25   
720-586 8 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-07-25   
720-598 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-05-22   
720-613 7 Hudson CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
720-619 7 Georgetown CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
720-622 4 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-664 1 Allens Park-Lyons CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2020-04-16   
720-676 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-07-23   
720-683 7 Fort Lupton CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
720-697 A Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-697 5 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-12-09   
720-697 6 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-12-09   
720-697 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-12-09   
720-707 4 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-05-23   
720-709 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-07-13   
720-713 5 Longmont CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2020-05-30   
720-717 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-05-23   
720-722 A Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-722 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2010-06-30   
720-728 6 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2016-03-08   
720-728 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2016-03-08   
720-745 7 Longmont CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-06-10   
720-751 2 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2020-03-10   
720-758 A Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-758 6 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-02-10   
720-758 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-02-10   
720-758 8 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-02-10   
720-778 5 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-07-01   
720-795 A Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-795 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-08-12   
720-826 7 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2019-09-14   
720-854 2 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-854 3 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-854 6 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-925 4 Denver CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2016-04-05   
970-233 5 Collbran CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-235 7 Estes Park CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-287 7 Silt CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-18   
970-289 7 Brush CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-293 6 Red Feather Lakes CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-296 7 Fruita CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-340 7 Carbondale CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-341 7 Olathe CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-360 6 Yuma CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-363 5 Fraser CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-394 7 Dolores CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-398 7 Pagosa Springs CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-408 7 Johnstown-Milliken CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-05-26   
970-410 7 Kremmling CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-19   
970-414 6 Parachute CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-431 9 Gypsum CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-432 6 Eagle CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-436 6 Lake City CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-06   
970-438 7 Palisade CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-440 4 Rifle CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2008-12-15   
970-441 6 Fort Morgan CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-465 6 McCoy CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-06   
970-469 6 Otis CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-06   
970-470 7 Vail CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-05-23   
970-474 6 Julesburg CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-478 5 Norwood CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-06   
970-485 7 Dillon CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-05-23   
970-500 7 Weldona CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-512 6 Dove Creek CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-514 2 Akron CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-517 7 Hot Sulphur Springs CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-01-07   
970-519 7 Telluride CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-528 7 Berthoud CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-536 7 New Castle CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-06   
970-548 6 Rangely CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-550 6 Maybell CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-06   
970-551 7 Marvel CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-06   
970-553 7 Ignacio CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-06   
970-557 6 Granby CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-570 4 Cortez CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-05-26   
970-572 6 Rangely CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-579 2 De Beque CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-592 6 Wray CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-594 6 Walden CO 508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-598 A Platteville CO 508J CENTURYLINK COMMUNICATIONS, LLC 656      

1 2 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.