NANPA Activities
NANPA Activities
NANPA Activities
NANPA Activities
NANPA Activities
NANPA Activities
NANPA Activities

Publications

Planning Letters 2000

These Informational Letters (IL) or Planning Letters (PL) may be downloaded from this web site. These files require the use of the Adobe Acrobat Reader.

Number Subject Date
PL-252 904 NPA Split, Creating 386 NPA (Northeast Florida) December 29, 2000
PL-251 Revised Permissive Dialing Period for the 517 / 989 (MI) NPA Split November 21, 2000
PL-250 310 NPA Splits, Creating 424 NPA (California) November 10, 2000
PL-249 New NPA 567 to Overlay NPA 419 (Ohio) November 10, 2000
PL-248 801 NPA Split Delayed (Utah) November 6, 2000
PL-247 901 NPA Split, Creating 731 NPA (Tennessee) October 30, 2000
PL-246 NPA 778 To Overlay NPA 604 (Southwestern British Columbia) October 27, 2000
PL-245 316 Numbering Plan Area (NPA) Split, Creating 620 NPA (Kansas) October 26, 2000
PL-244 517 NPA Split, Creating 989 NPA (Michigan) December 15, 2000 (Revised)
PL-243 NPA 289 To Overlay NPA 905 (Southern Ontario, Canada) October 25, 2000
PL-242 504 NPA Split, Creating 985 NPA (Louisiana) October 20, 2000
PL-241 Correction to Assignment Procedures for the Remaining Central Office Codes in 215 and 267 NPAs, and in the 610 and 484 NPAs (Pennsylvania) October 12, 2000
PL-240 Urgent Reminder: Mandatory Dialing for Wireless Codes in the 337 NPA (Louisiana) September 20, 2000
PL-239 NPA 564 to Overlay NPAs 206, 253, 360, and 425 (Washington) July 31, 2000
PL-238 Suspension of Splits of the 707 & 760 NPAs (California) July 27, 2000
PL-237 NPA 445 to Overlay NPAs 215 and 267 (Pennsylvania)
NPA 835 to Overlay NPAs 610 and 484 (Pennsylvania)		 July 27, 2000
PL-236 NPA 939 To Overlay NPA 787 (Puerto Rico) July 27, 2000
PL-235 New Test Number for NPA 478 (Georgia) July 17, 2000
PL-234 NPA 774 To Overlay NPA 508;
NPA 857 To Overlay NPA 617;
NPA 339 To Overlay NPA 781; and
NPA 351 To Overlay NPA 978 (Massachusetts)		 July 11, 2000
PL-233 NPA 737 to Overlay NPA 512 (Texas) July 5, 2000
PL-232 Revised Mandatory Dialing Date for the 914/845 Split (New York) June 8, 2000
PL-231 801 NPA Split, Creating 385 NPA (Utah) May 31, 2000
PL-230 Suspension of 619 / 935 NPA Split (California) May 31, 2000
PL-229 NPA 980 To Overlay NPA 704 (North Carolina) April 28, 2000
PL-228 515 NPA Split, Creating New 641 NPA (Iowa) April 27, 2000
PL-227 Suspension of Relief in the 248, 313 and 734 NPAs (Michigan) April 24, 2000
PL-226 Suspension of Relief in the 517 NPA (Michigan) April 24, 2000
PL-225 Extraordinary NPA-Specific Jeopardy Conservation Procedures Announced for the 541 NPA (Oregon) April 19, 2000
PL-224 Extraordinary NPA-Specific Jeopardy Conservation Procedures Announced for the 901 NPA (Tennessee) April 18, 2000
PL-223 Extraordinary NPA-Specific Jeopardy Conservation Procedures Announced for the 678 NPA (Georgia) March 30, 2000
PL-222 NPA 878 to Overlay NPAs 412 and 724 (Pennsylvania) March 17, 2000
PL-221 Suspension of Code Assignments in the 586 NPA – Michigan March 10, 2000
PL-220 Introduction of Interchangeable Central Office Codes in the 808 NPA (Hawaii) March 3, 2000
PL-219 NPA 682 to Overlay NPA 817 (Texas) March 3, 2000
PL-218 NPA 647 To Overlay NPA 416 (Southern Ontario) March 2, 2000
PL-217 NPA 475 To Overlay NPA 203; NPA 959 To Overlay NPA 860 (Connecticut) February 25, 2000
PL-216 Permissive Dialing Extended for Eleven Central Office Codes in the 602 NPA (Arizona) February 24, 2000
PL-215 909/951 NPA Split Suspended Temporarily (California) February 24, 2000
PL-214 NPA Codes 844, 833, 822 Assigned for Toll Free Service February 23, 2000
PL-213 NPA 234 to Overlay NPA 330 (Ohio) February 23, 2000
PL-212 (Revised) 517 NPA Split, Creating 989 NPA (Michigan) April 28, 2000
PL-211 914 NPA Split, Creating 845 NPA (New York) February 9, 2000
PL-210 707 NPA Splits, Creating 369 and 627 NPAs (California) February 1, 2000
PL-209 NPA 947 to Overlay NPA 248 / NPA 679 to Overlay NPA 313 / NPA 278 to Overlay NPA 734 (Michigan) February 1, 2000
PL-208 Extraordinary NPA - Specific Jeopardy Conservation Procedures Announced for the 787 NPA (Puerto Rico) January 21, 2000
PL-207 Extraordinary NPA - Specific Jeopardy Conservation Procedures Announced for the 540 NPA (Virginia) January 21, 2000
PL-206 Overlays Suspended in the 408, 415, 510, 650, 714 & 909 NPAs January 14, 2000

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