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: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-621 0 Pleasanton CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-03-29   
925-621 1 Pleasanton CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 2 Pleasanton CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 3 Pleasanton CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 4 Pleasanton CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 5 Pleasanton CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 6 Pleasanton CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 7 Pleasanton CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 8 Pleasanton CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-03-29   
925-621 9 Pleasanton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2014-10-14   
925-623 A Pleasanton CA   6529 T-MOBILE USA, INC. 722      
925-623 0 Pleasanton CA SNFCCA21XCZ  252F WIDE VOICE, LLC - CA 722   2016-10-20   
925-623 1 Pleasanton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-02-18   
925-623 2 Pleasanton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2016-09-23   
925-623 5 Pleasanton CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-07-11   
925-623 6 Pleasanton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2019-05-11   
925-623 7 Pleasanton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-03-09   
925-623 8 Pleasanton CA   515J IP HORIZON LLC 722   2016-09-15   
925-623 9 Pleasanton CA   5562 METROPCS, INC. 722      
925-625 A East Contra Costa CA OKLYCA11DS0  9740 PACIFIC BELL 722      
925-626 A East Contra Costa CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-626 0 East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-06-13   
925-626 1 East Contra Costa CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2006-03-28   
925-626 2 East Contra Costa CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722   2012-08-24   
925-626 3 East Contra Costa CA BRWDCA12DS0  9740 PACIFIC BELL 722   2006-08-25   
925-626 4 East Contra Costa CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2007-04-09   
925-626 5 East Contra Costa CA SNFCCA01XGX  516C AT&T CORP. 722   2014-02-19   
925-626 6 East Contra Costa CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2015-04-09   
925-626 7 East Contra Costa CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2008-06-10   
925-626 8 East Contra Costa CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2015-10-12   
925-626 9 East Contra Costa CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-627 A Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 0 Walnut Creek CA SNFCCAMMDS7  258E YMAX COMMUNICATIONS CORP. - CA 722   2011-03-09   
925-627 1 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 2 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 3 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 4 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 5 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 6 Walnut Creek CA SNFCCAMMDS7  258E YMAX COMMUNICATIONS CORP. - CA 722   2011-03-09   
925-627 7 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 8 Walnut Creek CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2011-01-31   
925-627 9 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-628 A Antioch CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-631 A Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-631 0 Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-631 1 Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-631 2 Moraga CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-10-29   
925-631 3 Moraga CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-10-29   
925-631 4 Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-631 5 Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.