View Cart

Home |

Contact |

TOS |

Site Map

Area Code Database

Area Code Lookup

Lookup any area code or prefix (NPA/NXX) in our database using our FREE Area Code Finder Below:

Area Code History

Area Code FAQ

For more info
support@area-codes.com
1-800-425-1169

Area Code Lookup - NPA NXX

Search Terms:

   City: Richmond
   State: CA
   County: Contra Costa

#	Area Code	Prefix	City	State	Zip	County	Company
Viewing Page 3 of 4 [Prev] 1 2 3 4 [Next] Showing 101 - 150 of 158 Records
1	510	529	RICHMOND	CA	94805	CONTRA COSTA	PACIFIC BELL
2	510	609	RICHMOND	CA	94804	CONTRA COSTA	SPRINT SPECTRUM, L.P.
3	510	609	RICHMOND	CA	94801	CONTRA COSTA	SPRINT SPECTRUM, L.P.
4	510	609	RICHMOND	CA	94805	CONTRA COSTA	SPRINT SPECTRUM, L.P.
5	510	620	RICHMOND	CA	94850	CONTRA COSTA	PACIFIC BELL
6	510	620	RICHMOND	CA	94804	CONTRA COSTA	PACIFIC BELL
7	510	620	RICHMOND	CA	94805	CONTRA COSTA	PACIFIC BELL
8	510	630	EL SOBRANTE	CA	94803	CONTRA COSTA	T-MOBILE USA, INC.
9	510	640	EL SOBRANTE	CA	94803	CONTRA COSTA	T-MOBILE USA, INC.
10	510	641	EL SOBRANTE	CA	94803	CONTRA COSTA	NEW CINGULAR WIRELESS PCS, LLC
11	510	650	EL SOBRANTE	CA	94803	CONTRA COSTA	ONVOY, LLC - CA
12	510	660	RICHMOND	CA	94804	CONTRA COSTA	NEW CINGULAR WIRELESS PCS, LLC
13	510	660	RICHMOND	CA	94801	CONTRA COSTA	NEW CINGULAR WIRELESS PCS, LLC
14	510	660	RICHMOND	CA	94805	CONTRA COSTA	NEW CINGULAR WIRELESS PCS, LLC
15	510	662	EL SOBRANTE	CA	94803	CONTRA COSTA	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
16	510	669	EL SOBRANTE	CA	94803	CONTRA COSTA	PACIFIC BELL
17	510	672	RICHMOND	CA	94850	CONTRA COSTA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
18	510	672	RICHMOND	CA	94804	CONTRA COSTA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
19	510	672	RICHMOND	CA	94801	CONTRA COSTA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
20	510	680	RICHMOND	CA	94804	CONTRA COSTA	CENTURYLINK COMMUNICATIONS, LLC
21	510	680	RICHMOND	CA	94801	CONTRA COSTA	CENTURYLINK COMMUNICATIONS, LLC
22	510	680	RICHMOND	CA	94805	CONTRA COSTA	CENTURYLINK COMMUNICATIONS, LLC
23	510	685	RICHMOND	CA	94850	CONTRA COSTA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
24	510	685	RICHMOND	CA	94804	CONTRA COSTA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
25	510	685	RICHMOND	CA	94801	CONTRA COSTA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
26	510	724	EL SOBRANTE	CA	94803	CONTRA COSTA	PACIFIC BELL
27	510	734	RICHMOND	CA	94850	CONTRA COSTA	NEW CINGULAR WIRELESS PCS, LLC
28	510	734	RICHMOND	CA	94804	CONTRA COSTA	NEW CINGULAR WIRELESS PCS, LLC
29	510	734	RICHMOND	CA	94801	CONTRA COSTA	NEW CINGULAR WIRELESS PCS, LLC
30	510	741	EL SOBRANTE	CA	94803	CONTRA COSTA	PACIFIC BELL
31	510	758	EL SOBRANTE	CA	94803	CONTRA COSTA	PACIFIC BELL
32	510	765	EL SOBRANTE	CA	94803	CONTRA COSTA	PACIFIC BELL
33	510	776	RICHMOND	CA	94850	CONTRA COSTA	METROPCS, INC.
34	510	776	RICHMOND	CA	94804	CONTRA COSTA	METROPCS, INC.
35	510	776	RICHMOND	CA	94801	CONTRA COSTA	METROPCS, INC.
36	510	778	RICHMOND	CA	94804	CONTRA COSTA	COMCAST IP PHONE, LLC
37	510	778	RICHMOND	CA	94801	CONTRA COSTA	COMCAST IP PHONE, LLC
38	510	778	RICHMOND	CA	94805	CONTRA COSTA	COMCAST IP PHONE, LLC
39	510	779	EL SOBRANTE	CA	94803	CONTRA COSTA	LEVEL 3 COMMUNICATIONS, LLC - CA
40	510	815	EL SOBRANTE	CA	94803	CONTRA COSTA	SPRINT SPECTRUM, L.P.
41	510	837	RICHMOND	CA	94850	CONTRA COSTA	TELEPORT COMMUNICATIONS AMERICA, LLC - CA
42	510	837	RICHMOND	CA	94804	CONTRA COSTA	TELEPORT COMMUNICATIONS AMERICA, LLC - CA
43	510	837	RICHMOND	CA	94801	CONTRA COSTA	TELEPORT COMMUNICATIONS AMERICA, LLC - CA
44	510	854	EL SOBRANTE	CA	94803	CONTRA COSTA	O1 COMMUNICATIONS, INC. - CA
45	510	860	RICHMOND	CA	94850	CONTRA COSTA	LEVEL 3 COMMUNICATIONS, LLC - CA
46	510	860	RICHMOND	CA	94804	CONTRA COSTA	LEVEL 3 COMMUNICATIONS, LLC - CA
47	510	860	RICHMOND	CA	94805	CONTRA COSTA	LEVEL 3 COMMUNICATIONS, LLC - CA
48	510	890	RICHMOND	CA	94804	CONTRA COSTA	T-MOBILE USA, INC.
49	510	890	RICHMOND	CA	94801	CONTRA COSTA	T-MOBILE USA, INC.
50	510	890	RICHMOND	CA	94805	CONTRA COSTA	T-MOBILE USA, INC.
#	Area Code	Prefix	City	State	Zip	County	Company