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
925-577 0 Dublin-San Ramon CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-577 1 Dublin-San Ramon CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-577 2 Dublin-San Ramon CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-09-29   
925-577 3 Dublin-San Ramon CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-577 4 Dublin-San Ramon CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-577 5 Dublin-San Ramon CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-577 6 Dublin-San Ramon CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-577 7 Dublin-San Ramon CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-577 8 Dublin-San Ramon CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-577 9 Dublin-San Ramon CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-578 A East Contra Costa CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722      
925-578 0 East Contra Costa CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2021-07-11   
925-578 1 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-578 2 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-04-02   
925-578 3 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-04-02   
925-578 4 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-04-02   
925-578 5 East Contra Costa CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-07-24   
925-578 6 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-578 7 East Contra Costa CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722   2021-01-02   
925-578 8 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-578 9 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-579 A Livermore CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-579 0 Livermore CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-579 1 Livermore CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-03-29   
925-579 2 Livermore CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2013-09-18   
925-579 3 Livermore CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-03-29   
925-579 4 Livermore CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-08-07   
925-579 5 Livermore CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-579 6 Livermore CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-579 7 Livermore CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-579 9 Livermore CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-580 A Pleasanton CA   6529 T-MOBILE USA, INC. 722      
925-580 0 Pleasanton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-580 1 Pleasanton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-580 2 Pleasanton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-580 4 Pleasanton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-580 5 Pleasanton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-580 6 Pleasanton CA   5562 METROPCS, INC. 722      
925-580 7 Pleasanton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-580 8 Pleasanton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-580 9 Pleasanton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-583 A Livermore CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-583 0 Livermore CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-583 1 Livermore CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-583 2 Livermore CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-583 3 Livermore CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-583 4 Livermore CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-07-31   
925-583 5 Livermore CA SNFCCA01XGX  516C AT&T CORP. 722   2007-02-19   
925-583 6 Livermore CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-11-04   
925-583 7 Livermore CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2013-06-24   

<< 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: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.