NRNumberResearch Membership · Data 09/17/2026

← Area code 650

All assignees

730 prefixes in 650 · initial assignments from the NANPA CO code file, 09/17/2026

Prefixes held by all assignees in area code 650
NPA-NXXRate centerOCNAssignedPooled
650-200 SAN MATEO 506J — Yes
650-201 SSNFRNCSCO 6529 — Yes
650-202 SAN MATEO 9262 — Yes
650-203 MT VIEW 981E 2015-12-01 Yes
650-204 MILLBRAE 7718 — Yes
650-205 SSNFRNCSCO 6630 — —
650-206 WOODSIDE 671J — Yes
650-207 REDWOOD CY 6006 — —
650-208 REDWOOD CY 6006 — —
650-209 LOS ALTOS 671J — Yes
650-210 MT VIEW 9740 — Yes
650-211 XXXXXXXXXX MULT — —
650-212 SAN MATEO 9740 — Yes
650-213 PALO ALTO 9740 — Yes
650-214 MT VIEW 7240 2007-02-15 Yes
650-215 MT VIEW 8826 — Yes
650-216 REDWOOD CY 9740 — Yes
650-217 SAN MATEO 6630 — —
650-218 SAN MATEO 6529 — Yes
650-219 SSNFRNCSCO 6529 — Yes
650-220 MT VIEW 6529 2023-10-10 Yes
650-221 SSNFRNCSCO 0051 2024-09-12 —
650-222 SAN MATEO 6529 — Yes
650-223 PALO ALTO 671J — Yes
650-224 MT VIEW 6010 — —
650-225 SSNFRNCSCO 9740 — —
650-226 SNCRL-BLMT 7240 — Yes
650-227 SAN MATEO 7229 — Yes
650-228 SSNFRNCSCO 7229 — Yes
650-229 LOS ALTOS 7229 — Yes
650-230 MT VIEW 7229 — —
650-231 MILLBRAE 7229 — Yes
650-232 SNCRL-BLMT 7229 — Yes
650-233 PALO ALTO 9740 — —
650-234 PALO ALTO 9740 — —
650-235 SAN MATEO 7229 — Yes
650-236 PALO ALTO 9740 — —
650-237 MT VIEW 9740 — Yes
650-238 SSNFRNCSCO 7240 — Yes
650-239 MILLBRAE 649C — Yes
650-240 SAN MATEO 649C — Yes
650-241 REDWOOD CY 8826 — Yes
650-242 SAN MATEO 8826 — Yes
650-243 SSNFRNCSCO 671J — Yes
650-244 SSNFRNCSCO 9740 — —
650-245 SAN MATEO 6010 — —
650-246 SSNFRNCSCO 9740 — Yes
650-247 WOODSIDE 939H 2023-12-29 Yes
650-248 PALO ALTO 6529 — Yes
650-249 REDWOOD CY 649C — Yes
650-250 PALO ALTO 6529 2016-04-29 Yes
650-251 PALO ALTO 9740 — Yes
650-252 PALO ALTO 373F 2012-04-13 Yes
650-253 MT VIEW 7240 2004-04-27 Yes
650-254 MT VIEW 9740 — Yes
650-255 SSNFRNCSCO 6010 — —
650-256 SSNFRNCSCO 9748 — —
650-257 REDWOOD CY 8826 — Yes
650-258 PALO ALTO 7145 2011-09-13 Yes
650-259 MILLBRAE 9740 — Yes
650-260 REDWOOD CY 7421 — Yes
650-261 REDWOOD CY 9740 — —
650-262 PESCADERO 8826 — Yes
650-263 MOSS BEACH 7240 — Yes
650-264 SNCRL-BLMT 7421 — Yes
650-265 MT VIEW 7421 — Yes
650-266 SSNFRNCSCO 9740 — —
650-267 SSNFRNCSCO 8826 — Yes
650-268 PESCADERO 7229 — Yes
650-269 PALO ALTO 6006 — —
650-270 SSNFRNCSCO 6529 — Yes
650-271 SNFC JUNPR 5562 2001-08-22 Yes
650-272 PALO ALTO 7229 2013-08-19 Yes
650-273 SSNFRNCSCO 485E — Yes
650-274 SAN MATEO 6529 — Yes
650-275 WOODSIDE 7229 — Yes
650-276 HALFMOONBY 7718 — Yes
650-277 REDWOOD CY 6967 — —
650-278 SSNFRNCSCO 6529 2001-12-27 Yes
650-279 MT VIEW 6006 — —
650-280 MT VIEW 5562 — Yes
650-281 SAN MATEO 6529 — Yes
650-282 MT VIEW 485E — Yes
650-283 PALO ALTO 6529 2001-12-27 Yes
650-284 HALFMOONBY 6529 — Yes
650-285 PALO ALTO 981E 2013-10-21 Yes
650-286 SAN MATEO 9740 — —
650-287 SAN MATEO 9740 — Yes
650-288 SAN MATEO 8826 — Yes
650-289 PALO ALTO 9740 — Yes
650-290 PACIFICA 5562 2001-08-22 Yes
650-291 SSNFRNCSCO 6006 — —
650-292 SAN MATEO 8826 — —
650-293 SAN MATEO 9740 — Yes
650-294 SAN MATEO 9740 — Yes
650-295 SAN MATEO 9740 — Yes
650-296 SSNFRNCSCO 6010 — —
650-297 PESCADERO 7718 — Yes
650-298 REDWOOD CY 9740 — Yes
650-299 REDWOOD CY 9740 — —

These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.