Area code 31 — Area (CA)

Latest community reports for numbers starting with 31.

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Sub‑area codes

More specific prefixes within this large region.

312 313 314 315 316 317 318 319 31029 31030 31036 31043 31046 31047 31049 31050 31056 31059 31062 31069 31070 31072 31073 31074 31075 31080 31081 31084 31087 31092 31093 31095 31098 31383 31386 31387 31389 31396 31438 31486