National Phone Number Registry NPNR

(310)
Enter 7-digit phone number for area code 310 or the complete 10-digit phone number

Phone Prefixes for Area Code 310

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Area code Location Company / Service Provider
310-965 GARDENA, CA PACIFIC BELL
310-966 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-967 Beverly Hills, CA PACIFIC BELL
310-968 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-969 Beverly Hills, CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
310-970 HAWTHORNE, CA PACIFIC BELL
310-971 SAN PEDRO, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-972 TORRANCE, CA PACIFIC BELL
310-973 HAWTHORNE, CA PACIFIC BELL
310-974 TORRANCE, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-975 Beverly Hills, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-976 Beverly Hills, CA NORTH COUNTY COMMUNICATIONS CORP. - CA
310-977 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-978 HAWTHORNE, CA PACIFIC BELL
310-979 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-980 Santa Monica, CA T-MOBILE USA, INC.
310-981 INGLEWOOD, CA AT&T LOCAL
310-982 SAN PEDRO, CA SPRINT SPECTRUM L.P.
310-983 W ANGELES, CA PACIFIC BELL - CLEC
310-984 SAN PEDRO, CA BROADWING COMMUNICATIONS, LLC - CA
310-985 Santa Monica, CA T-MOBILE USA, INC.
310-986 LOMITA, CA T-MOBILE USA, INC.
310-987 SAN PEDRO, CA SPRINT SPECTRUM L.P.
310-988 INGLEWOOD, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-989 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-990 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-991 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-992 Santa Monica, CA USA MOBILITY WIRELESS, INC.
310-993 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-994 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-995 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-996 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-997 LOMITA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-998 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-999 GARDENA, CA TNCI-OP-CO - CA
310-211 California
310-311 California
310-411 California
310-511 California
310-520 California PACIFIC BELL
310-555 GRDN0386T, CA MULTIPLE OCN LISTING
310-611 California
310-700 California
310-711 California
310-811 California
310-911 California
310-950 California
310-958 California
310-959 California
310 Area Code Information
Type of code: General Purpose Code
Location: CA - US
Time zone: P
Assigned for use: Yes
Code in service: Yes
Service date: November 02, 1991
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): 347 250 IL90/08-055
Overlay code: Yes
Overlay complex: 310/424
Dialing plan Standard Permissive
Home local calls: 1+10D NA
Foreign local calls: 1+10D NA
Home toll calls: 1+10D NA
Foreign toll calls: 1+10D -

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