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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-954 1 Walnut Creek CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-954 2 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-954 3 Walnut Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-954 4 Walnut Creek CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-954 5 Walnut Creek CA   649C ONVOY, LLC - CA 722      
925-954 6 Walnut Creek CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-954 7 Walnut Creek CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-954 8 Walnut Creek CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-954 9 Walnut Creek CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-955 A Walnut Creek CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
925-956 A Walnut Creek CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-956 0 Walnut Creek CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-956 1 Walnut Creek CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-956 2 Walnut Creek CA   5562 METROPCS, INC. 722      
925-956 3 Walnut Creek CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-956 4 Walnut Creek CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
925-956 5 Walnut Creek CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-956 6 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-956 7 Walnut Creek CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-956 8 Walnut Creek CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-956 9 Walnut Creek CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-957 A Martinez CA MRTZCA11DS0  9740 PACIFIC BELL 722      
925-957 0 Martinez CA MRTZCA11DS0  9740 PACIFIC BELL 722      
925-957 1 Martinez CA MRTZCA11DS0  9740 PACIFIC BELL 722      
925-957 2 Martinez CA MRTZCA11DS0  9740 PACIFIC BELL 722      
925-957 3 Martinez CA   321J HD CARRIER LLC 722      
925-957 4 Martinez CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-957 5 Martinez CA MRTZCA11DS0  9740 PACIFIC BELL 722      
925-957 6 Martinez CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-957 7 Martinez CA MRTZCA11DS0  9740 PACIFIC BELL 722      
925-957 8 Martinez CA MRTZCA11DS0  9740 PACIFIC BELL 722      
925-957 9 Martinez CA MRTZCA11DS0  9740 PACIFIC BELL 722      
925-960 A Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-960 0 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-960 1 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-960 2 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-960 3 Livermore CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-960 4 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-960 5 Livermore CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-960 6 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-960 7 Livermore CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-960 8 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-960 9 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-961 A Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-961 0 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-961 1 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-961 2 Livermore CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-961 3 Livermore CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-961 4 Livermore CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-961 5 Livermore CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-961 6 Livermore CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-961 7 Livermore CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-961 8 Livermore CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-961 9 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-962 A Lafayette CA LFYTCA11DS0  9740 PACIFIC BELL 722      
925-962 0 Lafayette CA LFYTCA11DS0  9740 PACIFIC BELL 722      
925-962 1 Lafayette CA LFYTCA11DS0  9740 PACIFIC BELL 722      
925-962 2 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-962 3 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-962 4 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-962 5 Lafayette CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-962 6 Lafayette CA LFYTCA11DS0  9740 PACIFIC BELL 722      
925-962 7 Lafayette CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-962 8 Lafayette CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
925-962 9 Lafayette CA LFYTCA11DS0  9740 PACIFIC BELL 722      
925-963 A Pleasanton CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-964 A Danville CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-964 0 Danville CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-964 1 Danville CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-964 2 Danville CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-964 3 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-964 4 Danville CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-964 5 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-964 6 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-964 7 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-964 8 Danville CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-964 9 Danville CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-965 A Pleasanton CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-965 0 Pleasanton CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-965 2 Pleasanton CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-965 3 Pleasanton CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-965 4 Pleasanton CA OKLDCA03DS1  7421 AT&T - LOCAL 722      
925-965 5 Pleasanton CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-965 7 Pleasanton CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-965 8 Pleasanton CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-965 9 Pleasanton CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-966 A Antioch CA SNJUCACL7MD  965H FRACTEL, LLC 722      
925-966 0 Antioch CA SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722      
925-966 1 Antioch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-966 2 Antioch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-966 3 Antioch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-966 4 Antioch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-966 5 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-966 6 Antioch CA SNJUCACL7MD  965H FRACTEL, LLC 722      
925-966 7 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-966 8 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-966 9 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-967 A Dublin-San Ramon CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-967 0 Dublin-San Ramon CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-967 1 Dublin-San Ramon CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 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 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.